Home / 996,909.30-1,495,363.95-518,612.40

Finding the Fourth Proportional to 996,909.30, 1,495,363.95 and 518,612.40

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Solution

The fourth proportional to 996,909.30, 1,495,363.95 and 518,612.40 is: 777,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,909.30 : 1,495,363.95 = 518,612.40 : x
  2. Step 2: Convert to fraction form
    996,909.30/1,495,363.95 = 518,612.40/x
  3. Step 3: Cross multiply
    996,909.30x = 1,495,363.95 × 518,612.40
  4. Step 4: Simplify right side
    996,909.30x = 775,514,286,982.98
  5. Step 5: Solve for x
    x = 775,514,286,982.98/996,909.30
  6. Step 6: Final answer
    x = 777,918.60

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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.