Home / 587,792.20-881,688.30-144,560.20

Finding the Fourth Proportional to 587,792.20, 881,688.30 and 144,560.20

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Solution

The fourth proportional to 587,792.20, 881,688.30 and 144,560.20 is: 216,840.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,792.20 : 881,688.30 = 144,560.20 : x
  2. Step 2: Convert to fraction form
    587,792.20/881,688.30 = 144,560.20/x
  3. Step 3: Cross multiply
    587,792.20x = 881,688.30 × 144,560.20
  4. Step 4: Simplify right side
    587,792.20x = 127,457,036,985.66
  5. Step 5: Solve for x
    x = 127,457,036,985.66/587,792.20
  6. Step 6: Final answer
    x = 216,840.30

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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.