Home / 1,527,152.28-2,107,487.43-838,840.20

Finding the Fourth Proportional to 1,527,152.28, 2,107,487.43 and 838,840.20

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Solution

The fourth proportional to 1,527,152.28, 2,107,487.43 and 838,840.20 is: 1,157,608.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,152.28 : 2,107,487.43 = 838,840.20 : x
  2. Step 2: Convert to fraction form
    1,527,152.28/2,107,487.43 = 838,840.20/x
  3. Step 3: Cross multiply
    1,527,152.28x = 2,107,487.43 × 838,840.20
  4. Step 4: Simplify right side
    1,527,152.28x = 1,767,845,177,278.69
  5. Step 5: Solve for x
    x = 1,767,845,177,278.69/1,527,152.28
  6. Step 6: Final answer
    x = 1,157,608.97

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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.