Home / 426,340.71-588,360.87-242,569.15

Finding the Fourth Proportional to 426,340.71, 588,360.87 and 242,569.15

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Solution

The fourth proportional to 426,340.71, 588,360.87 and 242,569.15 is: 334,751.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,340.71 : 588,360.87 = 242,569.15 : x
  2. Step 2: Convert to fraction form
    426,340.71/588,360.87 = 242,569.15/x
  3. Step 3: Cross multiply
    426,340.71x = 588,360.87 × 242,569.15
  4. Step 4: Simplify right side
    426,340.71x = 142,718,196,129.16
  5. Step 5: Solve for x
    x = 142,718,196,129.16/426,340.71
  6. Step 6: Final answer
    x = 334,751.51

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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.