Home / 535,583.11-738,432.20-392,094.04

Finding the Fourth Proportional to 535,583.11, 738,432.20 and 392,094.04

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Solution

The fourth proportional to 535,583.11, 738,432.20 and 392,094.04 is: 540,597.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,583.11 : 738,432.20 = 392,094.04 : x
  2. Step 2: Convert to fraction form
    535,583.11/738,432.20 = 392,094.04/x
  3. Step 3: Cross multiply
    535,583.11x = 738,432.20 × 392,094.04
  4. Step 4: Simplify right side
    535,583.11x = 289,534,862,603.62
  5. Step 5: Solve for x
    x = 289,534,862,603.62/535,583.11
  6. Step 6: Final answer
    x = 540,597.45

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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.