Home / 651,562.20-977,343.30-402,730.20

Finding the Fourth Proportional to 651,562.20, 977,343.30 and 402,730.20

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Solution

The fourth proportional to 651,562.20, 977,343.30 and 402,730.20 is: 604,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,562.20 : 977,343.30 = 402,730.20 : x
  2. Step 2: Convert to fraction form
    651,562.20/977,343.30 = 402,730.20/x
  3. Step 3: Cross multiply
    651,562.20x = 977,343.30 × 402,730.20
  4. Step 4: Simplify right side
    651,562.20x = 393,605,662,677.66
  5. Step 5: Solve for x
    x = 393,605,662,677.66/651,562.20
  6. Step 6: Final answer
    x = 604,095.30

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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.