Home / 631,480.40-949,553.40-528,837.20

Finding the Fourth Proportional to 631,480.40, 949,553.40 and 528,837.20

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Solution

The fourth proportional to 631,480.40, 949,553.40 and 528,837.20 is: 795,209.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,480.40 : 949,553.40 = 528,837.20 : x
  2. Step 2: Convert to fraction form
    631,480.40/949,553.40 = 528,837.20/x
  3. Step 3: Cross multiply
    631,480.40x = 949,553.40 × 528,837.20
  4. Step 4: Simplify right side
    631,480.40x = 502,159,161,306.48
  5. Step 5: Solve for x
    x = 502,159,161,306.48/631,480.40
  6. Step 6: Final answer
    x = 795,209.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.