Home / 651,626.20-977,439.30-541,401.40

Finding the Fourth Proportional to 651,626.20, 977,439.30 and 541,401.40

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Solution

The fourth proportional to 651,626.20, 977,439.30 and 541,401.40 is: 812,102.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,626.20 : 977,439.30 = 541,401.40 : x
  2. Step 2: Convert to fraction form
    651,626.20/977,439.30 = 541,401.40/x
  3. Step 3: Cross multiply
    651,626.20x = 977,439.30 × 541,401.40
  4. Step 4: Simplify right side
    651,626.20x = 529,187,005,435.02
  5. Step 5: Solve for x
    x = 529,187,005,435.02/651,626.20
  6. Step 6: Final answer
    x = 812,102.10

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Double scale
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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.