Home / 1,561,337.28-2,154,617.40-882,259.20

Finding the Fourth Proportional to 1,561,337.28, 2,154,617.40 and 882,259.20

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Solution

The fourth proportional to 1,561,337.28, 2,154,617.40 and 882,259.20 is: 1,217,501.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,337.28 : 2,154,617.40 = 882,259.20 : x
  2. Step 2: Convert to fraction form
    1,561,337.28/2,154,617.40 = 882,259.20/x
  3. Step 3: Cross multiply
    1,561,337.28x = 2,154,617.40 × 882,259.20
  4. Step 4: Simplify right side
    1,561,337.28x = 1,900,931,023,630.08
  5. Step 5: Solve for x
    x = 1,900,931,023,630.08/1,561,337.28
  6. Step 6: Final answer
    x = 1,217,501.85

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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.