Home / 1,251,731.66-1,877,934.51-644,189.00

Finding the Fourth Proportional to 1,251,731.66, 1,877,934.51 and 644,189.00

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Solution

The fourth proportional to 1,251,731.66, 1,877,934.51 and 644,189.00 is: 966,456.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,731.66 : 1,877,934.51 = 644,189.00 : x
  2. Step 2: Convert to fraction form
    1,251,731.66/1,877,934.51 = 644,189.00/x
  3. Step 3: Cross multiply
    1,251,731.66x = 1,877,934.51 × 644,189.00
  4. Step 4: Simplify right side
    1,251,731.66x = 1,209,744,744,672.72
  5. Step 5: Solve for x
    x = 1,209,744,744,672.72/1,251,731.66
  6. Step 6: Final answer
    x = 966,456.94

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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.