Home / 772,893.80-1,159,340.70-474,295.40

Finding the Fourth Proportional to 772,893.80, 1,159,340.70 and 474,295.40

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Solution

The fourth proportional to 772,893.80, 1,159,340.70 and 474,295.40 is: 711,443.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,893.80 : 1,159,340.70 = 474,295.40 : x
  2. Step 2: Convert to fraction form
    772,893.80/1,159,340.70 = 474,295.40/x
  3. Step 3: Cross multiply
    772,893.80x = 1,159,340.70 × 474,295.40
  4. Step 4: Simplify right side
    772,893.80x = 549,869,961,042.78
  5. Step 5: Solve for x
    x = 549,869,961,042.78/772,893.80
  6. Step 6: Final answer
    x = 711,443.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.