Home / 672,058.40-1,008,087.60-649,248.80

Finding the Fourth Proportional to 672,058.40, 1,008,087.60 and 649,248.80

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Solution

The fourth proportional to 672,058.40, 1,008,087.60 and 649,248.80 is: 973,873.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,058.40 : 1,008,087.60 = 649,248.80 : x
  2. Step 2: Convert to fraction form
    672,058.40/1,008,087.60 = 649,248.80/x
  3. Step 3: Cross multiply
    672,058.40x = 1,008,087.60 × 649,248.80
  4. Step 4: Simplify right side
    672,058.40x = 654,499,664,594.88
  5. Step 5: Solve for x
    x = 654,499,664,594.88/672,058.40
  6. Step 6: Final answer
    x = 973,873.20

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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.