Home / 408,495.68-563,328.24-272,535.16

Finding the Fourth Proportional to 408,495.68, 563,328.24 and 272,535.16

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Solution

The fourth proportional to 408,495.68, 563,328.24 and 272,535.16 is: 375,834.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,495.68 : 563,328.24 = 272,535.16 : x
  2. Step 2: Convert to fraction form
    408,495.68/563,328.24 = 272,535.16/x
  3. Step 3: Cross multiply
    408,495.68x = 563,328.24 × 272,535.16
  4. Step 4: Simplify right side
    408,495.68x = 153,526,752,020.92
  5. Step 5: Solve for x
    x = 153,526,752,020.92/408,495.68
  6. Step 6: Final answer
    x = 375,834.46

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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.