Home / 844,278.32-1,165,103.40-462,312.56

Finding the Fourth Proportional to 844,278.32, 1,165,103.40 and 462,312.56

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Solution

The fourth proportional to 844,278.32, 1,165,103.40 and 462,312.56 is: 637,990.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,278.32 : 1,165,103.40 = 462,312.56 : x
  2. Step 2: Convert to fraction form
    844,278.32/1,165,103.40 = 462,312.56/x
  3. Step 3: Cross multiply
    844,278.32x = 1,165,103.40 × 462,312.56
  4. Step 4: Simplify right side
    844,278.32x = 538,641,935,518.70
  5. Step 5: Solve for x
    x = 538,641,935,518.70/844,278.32
  6. Step 6: Final answer
    x = 637,990.96

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.