Home / 696,631.46-960,943.13-438,098.32

Finding the Fourth Proportional to 696,631.46, 960,943.13 and 438,098.32

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Solution

The fourth proportional to 696,631.46, 960,943.13 and 438,098.32 is: 604,318.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,631.46 : 960,943.13 = 438,098.32 : x
  2. Step 2: Convert to fraction form
    696,631.46/960,943.13 = 438,098.32/x
  3. Step 3: Cross multiply
    696,631.46x = 960,943.13 × 438,098.32
  4. Step 4: Simplify right side
    696,631.46x = 420,987,571,522.10
  5. Step 5: Solve for x
    x = 420,987,571,522.10/696,631.46
  6. Step 6: Final answer
    x = 604,318.92

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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.