Home / 487,124.46-672,263.28-272,273.58

Finding the Fourth Proportional to 487,124.46, 672,263.28 and 272,273.58

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Solution

The fourth proportional to 487,124.46, 672,263.28 and 272,273.58 is: 375,755.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,124.46 : 672,263.28 = 272,273.58 : x
  2. Step 2: Convert to fraction form
    487,124.46/672,263.28 = 272,273.58/x
  3. Step 3: Cross multiply
    487,124.46x = 672,263.28 × 272,273.58
  4. Step 4: Simplify right side
    487,124.46x = 183,039,529,948.14
  5. Step 5: Solve for x
    x = 183,039,529,948.14/487,124.46
  6. Step 6: Final answer
    x = 375,755.16

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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.