Home / 1,288,602.60-1,933,487.10-614,423.40

Finding the Fourth Proportional to 1,288,602.60, 1,933,487.10 and 614,423.40

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Solution

The fourth proportional to 1,288,602.60, 1,933,487.10 and 614,423.40 is: 921,913.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,602.60 : 1,933,487.10 = 614,423.40 : x
  2. Step 2: Convert to fraction form
    1,288,602.60/1,933,487.10 = 614,423.40/x
  3. Step 3: Cross multiply
    1,288,602.60x = 1,933,487.10 × 614,423.40
  4. Step 4: Simplify right side
    1,288,602.60x = 1,187,979,717,838.14
  5. Step 5: Solve for x
    x = 1,187,979,717,838.14/1,288,602.60
  6. Step 6: Final answer
    x = 921,913.18

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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.