Home / 994,439.40-1,491,659.10-434,567.40

Finding the Fourth Proportional to 994,439.40, 1,491,659.10 and 434,567.40

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Solution

The fourth proportional to 994,439.40, 1,491,659.10 and 434,567.40 is: 651,851.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,439.40 : 1,491,659.10 = 434,567.40 : x
  2. Step 2: Convert to fraction form
    994,439.40/1,491,659.10 = 434,567.40/x
  3. Step 3: Cross multiply
    994,439.40x = 1,491,659.10 × 434,567.40
  4. Step 4: Simplify right side
    994,439.40x = 648,226,416,773.34
  5. Step 5: Solve for x
    x = 648,226,416,773.34/994,439.40
  6. Step 6: Final answer
    x = 651,851.10

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Half scale
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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.