Home / 408,526.40-563,726.86-236,410.18

Finding the Fourth Proportional to 408,526.40, 563,726.86 and 236,410.18

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Solution

The fourth proportional to 408,526.40, 563,726.86 and 236,410.18 is: 326,223.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,526.40 : 563,726.86 = 236,410.18 : x
  2. Step 2: Convert to fraction form
    408,526.40/563,726.86 = 236,410.18/x
  3. Step 3: Cross multiply
    408,526.40x = 563,726.86 × 236,410.18
  4. Step 4: Simplify right side
    408,526.40x = 133,270,766,443.09
  5. Step 5: Solve for x
    x = 133,270,766,443.09/408,526.40
  6. Step 6: Final answer
    x = 326,223.14

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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.