Home / 672,300.90-1,008,451.35-173,664.90

Finding the Fourth Proportional to 672,300.90, 1,008,451.35 and 173,664.90

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Solution

The fourth proportional to 672,300.90, 1,008,451.35 and 173,664.90 is: 260,497.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,300.90 : 1,008,451.35 = 173,664.90 : x
  2. Step 2: Convert to fraction form
    672,300.90/1,008,451.35 = 173,664.90/x
  3. Step 3: Cross multiply
    672,300.90x = 1,008,451.35 × 173,664.90
  4. Step 4: Simplify right side
    672,300.90x = 175,132,602,852.62
  5. Step 5: Solve for x
    x = 175,132,602,852.62/672,300.90
  6. Step 6: Final answer
    x = 260,497.35

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Half scale
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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.