Home / 439,934.17-607,109.14-238,730.17

Finding the Fourth Proportional to 439,934.17, 607,109.14 and 238,730.17

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Solution

The fourth proportional to 439,934.17, 607,109.14 and 238,730.17 is: 329,447.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,934.17 : 607,109.14 = 238,730.17 : x
  2. Step 2: Convert to fraction form
    439,934.17/607,109.14 = 238,730.17/x
  3. Step 3: Cross multiply
    439,934.17x = 607,109.14 × 238,730.17
  4. Step 4: Simplify right side
    439,934.17x = 144,935,266,086.16
  5. Step 5: Solve for x
    x = 144,935,266,086.16/439,934.17
  6. Step 6: Final answer
    x = 329,447.62

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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.