Home / 820,932.50-1,132,876.13-458,362.53

Finding the Fourth Proportional to 820,932.50, 1,132,876.13 and 458,362.53

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Solution

The fourth proportional to 820,932.50, 1,132,876.13 and 458,362.53 is: 632,534.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,932.50 : 1,132,876.13 = 458,362.53 : x
  2. Step 2: Convert to fraction form
    820,932.50/1,132,876.13 = 458,362.53/x
  3. Step 3: Cross multiply
    820,932.50x = 1,132,876.13 × 458,362.53
  4. Step 4: Simplify right side
    820,932.50x = 519,267,966,831.60
  5. Step 5: Solve for x
    x = 519,267,966,831.60/820,932.50
  6. Step 6: Final answer
    x = 632,534.30

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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.