Home / 651,644.20-977,466.30-629,871.40

Finding the Fourth Proportional to 651,644.20, 977,466.30 and 629,871.40

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Solution

The fourth proportional to 651,644.20, 977,466.30 and 629,871.40 is: 944,807.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,644.20 : 977,466.30 = 629,871.40 : x
  2. Step 2: Convert to fraction form
    651,644.20/977,466.30 = 629,871.40/x
  3. Step 3: Cross multiply
    651,644.20x = 977,466.30 × 629,871.40
  4. Step 4: Simplify right side
    651,644.20x = 615,678,066,833.82
  5. Step 5: Solve for x
    x = 615,678,066,833.82/651,644.20
  6. Step 6: Final answer
    x = 944,807.10

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Double scale
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Similar ratio
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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.