Home / 696,631.83-960,943.66-438,098.71

Finding the Fourth Proportional to 696,631.83, 960,943.66 and 438,098.71

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Solution

The fourth proportional to 696,631.83, 960,943.66 and 438,098.71 is: 604,319.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,631.83 : 960,943.66 = 438,098.71 : x
  2. Step 2: Convert to fraction form
    696,631.83/960,943.66 = 438,098.71/x
  3. Step 3: Cross multiply
    696,631.83x = 960,943.66 × 438,098.71
  4. Step 4: Simplify right side
    696,631.83x = 420,988,174,331.07
  5. Step 5: Solve for x
    x = 420,988,174,331.07/696,631.83
  6. Step 6: Final answer
    x = 604,319.46

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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.