Home / 996,857.90-1,495,286.85-618,944.30

Finding the Fourth Proportional to 996,857.90, 1,495,286.85 and 618,944.30

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Solution

The fourth proportional to 996,857.90, 1,495,286.85 and 618,944.30 is: 928,416.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,857.90 : 1,495,286.85 = 618,944.30 : x
  2. Step 2: Convert to fraction form
    996,857.90/1,495,286.85 = 618,944.30/x
  3. Step 3: Cross multiply
    996,857.90x = 1,495,286.85 × 618,944.30
  4. Step 4: Simplify right side
    996,857.90x = 925,499,272,672.46
  5. Step 5: Solve for x
    x = 925,499,272,672.46/996,857.90
  6. Step 6: Final answer
    x = 928,416.45

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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.