Home / 651,658.80-977,488.20-440,151.60

Finding the Fourth Proportional to 651,658.80, 977,488.20 and 440,151.60

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Solution

The fourth proportional to 651,658.80, 977,488.20 and 440,151.60 is: 660,227.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,658.80 : 977,488.20 = 440,151.60 : x
  2. Step 2: Convert to fraction form
    651,658.80/977,488.20 = 440,151.60/x
  3. Step 3: Cross multiply
    651,658.80x = 977,488.20 × 440,151.60
  4. Step 4: Simplify right side
    651,658.80x = 430,242,995,211.12
  5. Step 5: Solve for x
    x = 430,242,995,211.12/651,658.80
  6. Step 6: Final answer
    x = 660,227.40

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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.