Home / 756,177.20-1,134,265.80-567,220.40

Finding the Fourth Proportional to 756,177.20, 1,134,265.80 and 567,220.40

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Solution

The fourth proportional to 756,177.20, 1,134,265.80 and 567,220.40 is: 850,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,177.20 : 1,134,265.80 = 567,220.40 : x
  2. Step 2: Convert to fraction form
    756,177.20/1,134,265.80 = 567,220.40/x
  3. Step 3: Cross multiply
    756,177.20x = 1,134,265.80 × 567,220.40
  4. Step 4: Simplify right side
    756,177.20x = 643,378,700,782.32
  5. Step 5: Solve for x
    x = 643,378,700,782.32/756,177.20
  6. Step 6: Final answer
    x = 850,830.60

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Double scale
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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.