Home / 651,702.30-977,553.45-440,195.10

Finding the Fourth Proportional to 651,702.30, 977,553.45 and 440,195.10

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Solution

The fourth proportional to 651,702.30, 977,553.45 and 440,195.10 is: 660,292.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,702.30 : 977,553.45 = 440,195.10 : x
  2. Step 2: Convert to fraction form
    651,702.30/977,553.45 = 440,195.10/x
  3. Step 3: Cross multiply
    651,702.30x = 977,553.45 × 440,195.10
  4. Step 4: Simplify right side
    651,702.30x = 430,314,238,678.10
  5. Step 5: Solve for x
    x = 430,314,238,678.10/651,702.30
  6. Step 6: Final answer
    x = 660,292.65

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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.