Home / 886,177.40-1,329,266.10-437,113.40

Finding the Fourth Proportional to 886,177.40, 1,329,266.10 and 437,113.40

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Solution

The fourth proportional to 886,177.40, 1,329,266.10 and 437,113.40 is: 655,670.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,177.40 : 1,329,266.10 = 437,113.40 : x
  2. Step 2: Convert to fraction form
    886,177.40/1,329,266.10 = 437,113.40/x
  3. Step 3: Cross multiply
    886,177.40x = 1,329,266.10 × 437,113.40
  4. Step 4: Simplify right side
    886,177.40x = 581,040,024,475.74
  5. Step 5: Solve for x
    x = 581,040,024,475.74/886,177.40
  6. Step 6: Final answer
    x = 655,670.10

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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.