Home / 1,527,189.50-2,107,557.89-838,875.77

Finding the Fourth Proportional to 1,527,189.50, 2,107,557.89 and 838,875.77

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Solution

The fourth proportional to 1,527,189.50, 2,107,557.89 and 838,875.77 is: 1,157,668.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,189.50 : 2,107,557.89 = 838,875.77 : x
  2. Step 2: Convert to fraction form
    1,527,189.50/2,107,557.89 = 838,875.77/x
  3. Step 3: Cross multiply
    1,527,189.50x = 2,107,557.89 × 838,875.77
  4. Step 4: Simplify right side
    1,527,189.50x = 1,767,979,246,744.73
  5. Step 5: Solve for x
    x = 1,767,979,246,744.73/1,527,189.50
  6. Step 6: Final answer
    x = 1,157,668.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.