Home / 1,123,265.96-1,685,194.04-403,680.32

Finding the Fourth Proportional to 1,123,265.96, 1,685,194.04 and 403,680.32

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Solution

The fourth proportional to 1,123,265.96, 1,685,194.04 and 403,680.32 is: 605,626.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,265.96 : 1,685,194.04 = 403,680.32 : x
  2. Step 2: Convert to fraction form
    1,123,265.96/1,685,194.04 = 403,680.32/x
  3. Step 3: Cross multiply
    1,123,265.96x = 1,685,194.04 × 403,680.32
  4. Step 4: Simplify right side
    1,123,265.96x = 680,279,669,329.29
  5. Step 5: Solve for x
    x = 680,279,669,329.29/1,123,265.96
  6. Step 6: Final answer
    x = 605,626.53

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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.