Home / 1,119,948.60-1,679,922.90-614,314.20

Finding the Fourth Proportional to 1,119,948.60, 1,679,922.90 and 614,314.20

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Solution

The fourth proportional to 1,119,948.60, 1,679,922.90 and 614,314.20 is: 921,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,948.60 : 1,679,922.90 = 614,314.20 : x
  2. Step 2: Convert to fraction form
    1,119,948.60/1,679,922.90 = 614,314.20/x
  3. Step 3: Cross multiply
    1,119,948.60x = 1,679,922.90 × 614,314.20
  4. Step 4: Simplify right side
    1,119,948.60x = 1,032,000,492,375.18
  5. Step 5: Solve for x
    x = 1,032,000,492,375.18/1,119,948.60
  6. Step 6: Final answer
    x = 921,471.30

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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.