Home / 1,425,602.40-2,138,402.76-1,331,124

Finding the Fourth Proportional to 1,425,602.40, 2,138,402.76 and 1,331,124

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Solution

The fourth proportional to 1,425,602.40, 2,138,402.76 and 1,331,124 is: 1,996,685.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,602.40 : 2,138,402.76 = 1,331,124 : x
  2. Step 2: Convert to fraction form
    1,425,602.40/2,138,402.76 = 1,331,124/x
  3. Step 3: Cross multiply
    1,425,602.40x = 2,138,402.76 × 1,331,124
  4. Step 4: Simplify right side
    1,425,602.40x = 2,846,479,235,502.24
  5. Step 5: Solve for x
    x = 2,846,479,235,502.24/1,425,602.40
  6. Step 6: Final answer
    x = 1,996,685.22

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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.