Home / 884,082.10-1,326,123.15-323,518.90

Finding the Fourth Proportional to 884,082.10, 1,326,123.15 and 323,518.90

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Solution

The fourth proportional to 884,082.10, 1,326,123.15 and 323,518.90 is: 485,278.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,082.10 : 1,326,123.15 = 323,518.90 : x
  2. Step 2: Convert to fraction form
    884,082.10/1,326,123.15 = 323,518.90/x
  3. Step 3: Cross multiply
    884,082.10x = 1,326,123.15 × 323,518.90
  4. Step 4: Simplify right side
    884,082.10x = 429,025,902,752.54
  5. Step 5: Solve for x
    x = 429,025,902,752.54/884,082.10
  6. Step 6: Final answer
    x = 485,278.35

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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.