Home / 651,629.70-977,444.55-629,856.90

Finding the Fourth Proportional to 651,629.70, 977,444.55 and 629,856.90

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Solution

The fourth proportional to 651,629.70, 977,444.55 and 629,856.90 is: 944,785.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,629.70 : 977,444.55 = 629,856.90 : x
  2. Step 2: Convert to fraction form
    651,629.70/977,444.55 = 629,856.90/x
  3. Step 3: Cross multiply
    651,629.70x = 977,444.55 × 629,856.90
  4. Step 4: Simplify right side
    651,629.70x = 615,650,194,184.90
  5. Step 5: Solve for x
    x = 615,650,194,184.90/651,629.70
  6. Step 6: Final answer
    x = 944,785.35

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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.