Home / 651,625.20-977,437.80-402,793.20

Finding the Fourth Proportional to 651,625.20, 977,437.80 and 402,793.20

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Solution

The fourth proportional to 651,625.20, 977,437.80 and 402,793.20 is: 604,189.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,625.20 : 977,437.80 = 402,793.20 : x
  2. Step 2: Convert to fraction form
    651,625.20/977,437.80 = 402,793.20/x
  3. Step 3: Cross multiply
    651,625.20x = 977,437.80 × 402,793.20
  4. Step 4: Simplify right side
    651,625.20x = 393,705,299,262.96
  5. Step 5: Solve for x
    x = 393,705,299,262.96/651,625.20
  6. Step 6: Final answer
    x = 604,189.80

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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.