Home / 879,132.40-1,318,698.60-595,697.20

Finding the Fourth Proportional to 879,132.40, 1,318,698.60 and 595,697.20

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Solution

The fourth proportional to 879,132.40, 1,318,698.60 and 595,697.20 is: 893,545.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,132.40 : 1,318,698.60 = 595,697.20 : x
  2. Step 2: Convert to fraction form
    879,132.40/1,318,698.60 = 595,697.20/x
  3. Step 3: Cross multiply
    879,132.40x = 1,318,698.60 × 595,697.20
  4. Step 4: Simplify right side
    879,132.40x = 785,545,063,663.92
  5. Step 5: Solve for x
    x = 785,545,063,663.92/879,132.40
  6. Step 6: Final answer
    x = 893,545.80

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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.