Home / 1,244,529.60-1,862,128.80-1,132,555.20

Finding the Fourth Proportional to 1,244,529.60, 1,862,128.80 and 1,132,555.20

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Solution

The fourth proportional to 1,244,529.60, 1,862,128.80 and 1,132,555.20 is: 1,694,586.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,529.60 : 1,862,128.80 = 1,132,555.20 : x
  2. Step 2: Convert to fraction form
    1,244,529.60/1,862,128.80 = 1,132,555.20/x
  3. Step 3: Cross multiply
    1,244,529.60x = 1,862,128.80 × 1,132,555.20
  4. Step 4: Simplify right side
    1,244,529.60x = 2,108,963,655,509.76
  5. Step 5: Solve for x
    x = 2,108,963,655,509.76/1,244,529.60
  6. Step 6: Final answer
    x = 1,694,586.98

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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.