Home / 690,811.60-1,034,143.80-410,184.40

Finding the Fourth Proportional to 690,811.60, 1,034,143.80 and 410,184.40

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Solution

The fourth proportional to 690,811.60, 1,034,143.80 and 410,184.40 is: 614,045.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,811.60 : 1,034,143.80 = 410,184.40 : x
  2. Step 2: Convert to fraction form
    690,811.60/1,034,143.80 = 410,184.40/x
  3. Step 3: Cross multiply
    690,811.60x = 1,034,143.80 × 410,184.40
  4. Step 4: Simplify right side
    690,811.60x = 424,189,654,116.72
  5. Step 5: Solve for x
    x = 424,189,654,116.72/690,811.60
  6. Step 6: Final answer
    x = 614,045.35

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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.