Home / 587,742.20-881,613.30-144,510.20

Finding the Fourth Proportional to 587,742.20, 881,613.30 and 144,510.20

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Solution

The fourth proportional to 587,742.20, 881,613.30 and 144,510.20 is: 216,765.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,742.20 : 881,613.30 = 144,510.20 : x
  2. Step 2: Convert to fraction form
    587,742.20/881,613.30 = 144,510.20/x
  3. Step 3: Cross multiply
    587,742.20x = 881,613.30 × 144,510.20
  4. Step 4: Simplify right side
    587,742.20x = 127,402,114,305.66
  5. Step 5: Solve for x
    x = 127,402,114,305.66/587,742.20
  6. Step 6: Final answer
    x = 216,765.30

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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.