Home / 1,543,043.20-2,127,978.56-1,058,753.92

Finding the Fourth Proportional to 1,543,043.20, 2,127,978.56 and 1,058,753.92

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Solution

The fourth proportional to 1,543,043.20, 2,127,978.56 and 1,058,753.92 is: 1,460,105.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,043.20 : 2,127,978.56 = 1,058,753.92 : x
  2. Step 2: Convert to fraction form
    1,543,043.20/2,127,978.56 = 1,058,753.92/x
  3. Step 3: Cross multiply
    1,543,043.20x = 2,127,978.56 × 1,058,753.92
  4. Step 4: Simplify right side
    1,543,043.20x = 2,253,005,642,075.96
  5. Step 5: Solve for x
    x = 2,253,005,642,075.96/1,543,043.20
  6. Step 6: Final answer
    x = 1,460,105.36

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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.