Home / 778,880.20-1,093,381.40-778,880.20

Finding the Fourth Proportional to 778,880.20, 1,093,381.40 and 778,880.20

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Solution

The fourth proportional to 778,880.20, 1,093,381.40 and 778,880.20 is: 1,093,381.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,880.20 : 1,093,381.40 = 778,880.20 : x
  2. Step 2: Convert to fraction form
    778,880.20/1,093,381.40 = 778,880.20/x
  3. Step 3: Cross multiply
    778,880.20x = 1,093,381.40 × 778,880.20
  4. Step 4: Simplify right side
    778,880.20x = 851,613,123,508.28
  5. Step 5: Solve for x
    x = 851,613,123,508.28/778,880.20
  6. Step 6: Final answer
    x = 1,093,381.40

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Half scale
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Double scale
Find fourth proportional to 778,881.20, 1,093,382.80 and 778,881.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.