Home / 672,301.90-1,008,452.85-173,665.90

Finding the Fourth Proportional to 672,301.90, 1,008,452.85 and 173,665.90

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Solution

The fourth proportional to 672,301.90, 1,008,452.85 and 173,665.90 is: 260,498.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,301.90 : 1,008,452.85 = 173,665.90 : x
  2. Step 2: Convert to fraction form
    672,301.90/1,008,452.85 = 173,665.90/x
  3. Step 3: Cross multiply
    672,301.90x = 1,008,452.85 × 173,665.90
  4. Step 4: Simplify right side
    672,301.90x = 175,133,871,802.82
  5. Step 5: Solve for x
    x = 175,133,871,802.82/672,301.90
  6. Step 6: Final answer
    x = 260,498.85

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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.