Home / 1,218,690.60-1,828,554.30-587,279.40

Finding the Fourth Proportional to 1,218,690.60, 1,828,554.30 and 587,279.40

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Solution

The fourth proportional to 1,218,690.60, 1,828,554.30 and 587,279.40 is: 881,168.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,690.60 : 1,828,554.30 = 587,279.40 : x
  2. Step 2: Convert to fraction form
    1,218,690.60/1,828,554.30 = 587,279.40/x
  3. Step 3: Cross multiply
    1,218,690.60x = 1,828,554.30 × 587,279.40
  4. Step 4: Simplify right side
    1,218,690.60x = 1,073,872,272,171.42
  5. Step 5: Solve for x
    x = 1,073,872,272,171.42/1,218,690.60
  6. Step 6: Final answer
    x = 881,168.91

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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.