Home / 672,110.90-1,008,166.35-609,902.90

Finding the Fourth Proportional to 672,110.90, 1,008,166.35 and 609,902.90

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Solution

The fourth proportional to 672,110.90, 1,008,166.35 and 609,902.90 is: 914,854.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,110.90 : 1,008,166.35 = 609,902.90 : x
  2. Step 2: Convert to fraction form
    672,110.90/1,008,166.35 = 609,902.90/x
  3. Step 3: Cross multiply
    672,110.90x = 1,008,166.35 × 609,902.90
  4. Step 4: Simplify right side
    672,110.90x = 614,883,580,547.42
  5. Step 5: Solve for x
    x = 614,883,580,547.42/672,110.90
  6. Step 6: Final answer
    x = 914,854.35

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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.