Home / 672,020.90-1,008,031.35-173,384.90

Finding the Fourth Proportional to 672,020.90, 1,008,031.35 and 173,384.90

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Solution

The fourth proportional to 672,020.90, 1,008,031.35 and 173,384.90 is: 260,077.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,020.90 : 1,008,031.35 = 173,384.90 : x
  2. Step 2: Convert to fraction form
    672,020.90/1,008,031.35 = 173,384.90/x
  3. Step 3: Cross multiply
    672,020.90x = 1,008,031.35 × 173,384.90
  4. Step 4: Simplify right side
    672,020.90x = 174,777,414,816.62
  5. Step 5: Solve for x
    x = 174,777,414,816.62/672,020.90
  6. Step 6: Final answer
    x = 260,077.35

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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.