Home / 1,543,331.52-2,129,886-864,262.08

Finding the Fourth Proportional to 1,543,331.52, 2,129,886 and 864,262.08

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Solution

The fourth proportional to 1,543,331.52, 2,129,886 and 864,262.08 is: 1,192,731.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,331.52 : 2,129,886 = 864,262.08 : x
  2. Step 2: Convert to fraction form
    1,543,331.52/2,129,886 = 864,262.08/x
  3. Step 3: Cross multiply
    1,543,331.52x = 2,129,886 × 864,262.08
  4. Step 4: Simplify right side
    1,543,331.52x = 1,840,779,704,522.88
  5. Step 5: Solve for x
    x = 1,840,779,704,522.88/1,543,331.52
  6. Step 6: Final answer
    x = 1,192,731.23

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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.