Home / 527,542.80-791,314.20-153,603.60

Finding the Fourth Proportional to 527,542.80, 791,314.20 and 153,603.60

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Solution

The fourth proportional to 527,542.80, 791,314.20 and 153,603.60 is: 230,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,542.80 : 791,314.20 = 153,603.60 : x
  2. Step 2: Convert to fraction form
    527,542.80/791,314.20 = 153,603.60/x
  3. Step 3: Cross multiply
    527,542.80x = 791,314.20 × 153,603.60
  4. Step 4: Simplify right side
    527,542.80x = 121,548,709,851.12
  5. Step 5: Solve for x
    x = 121,548,709,851.12/527,542.80
  6. Step 6: Final answer
    x = 230,405.40

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Similar ratio
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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.