Home / 729,089.04-1,006,640.36-471,590.16

Finding the Fourth Proportional to 729,089.04, 1,006,640.36 and 471,590.16

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Solution

The fourth proportional to 729,089.04, 1,006,640.36 and 471,590.16 is: 651,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,089.04 : 1,006,640.36 = 471,590.16 : x
  2. Step 2: Convert to fraction form
    729,089.04/1,006,640.36 = 471,590.16/x
  3. Step 3: Cross multiply
    729,089.04x = 1,006,640.36 × 471,590.16
  4. Step 4: Simplify right side
    729,089.04x = 474,721,688,434.86
  5. Step 5: Solve for x
    x = 474,721,688,434.86/729,089.04
  6. Step 6: Final answer
    x = 651,116.20

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.