Home / 1,205,353.98-1,663,278.52-715,239.03

Finding the Fourth Proportional to 1,205,353.98, 1,663,278.52 and 715,239.03

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Solution

The fourth proportional to 1,205,353.98, 1,663,278.52 and 715,239.03 is: 986,964.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,353.98 : 1,663,278.52 = 715,239.03 : x
  2. Step 2: Convert to fraction form
    1,205,353.98/1,663,278.52 = 715,239.03/x
  3. Step 3: Cross multiply
    1,205,353.98x = 1,663,278.52 × 715,239.03
  4. Step 4: Simplify right side
    1,205,353.98x = 1,189,641,715,264.64
  5. Step 5: Solve for x
    x = 1,189,641,715,264.64/1,205,353.98
  6. Step 6: Final answer
    x = 986,964.61

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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.