Home / 891,780.96-1,337,802.30-418,514.16

Finding the Fourth Proportional to 891,780.96, 1,337,802.30 and 418,514.16

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Solution

The fourth proportional to 891,780.96, 1,337,802.30 and 418,514.16 is: 627,832.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,780.96 : 1,337,802.30 = 418,514.16 : x
  2. Step 2: Convert to fraction form
    891,780.96/1,337,802.30 = 418,514.16/x
  3. Step 3: Cross multiply
    891,780.96x = 1,337,802.30 × 418,514.16
  4. Step 4: Simplify right side
    891,780.96x = 559,889,205,830.57
  5. Step 5: Solve for x
    x = 559,889,205,830.57/891,780.96
  6. Step 6: Final answer
    x = 627,832.65

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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.