Home / 879,691.52-1,213,613.46-535,251.30

Finding the Fourth Proportional to 879,691.52, 1,213,613.46 and 535,251.30

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Solution

The fourth proportional to 879,691.52, 1,213,613.46 and 535,251.30 is: 738,427.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,691.52 : 1,213,613.46 = 535,251.30 : x
  2. Step 2: Convert to fraction form
    879,691.52/1,213,613.46 = 535,251.30/x
  3. Step 3: Cross multiply
    879,691.52x = 1,213,613.46 × 535,251.30
  4. Step 4: Simplify right side
    879,691.52x = 649,588,182,162.50
  5. Step 5: Solve for x
    x = 649,588,182,162.50/879,691.52
  6. Step 6: Final answer
    x = 738,427.25

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Double scale
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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.