Home / 1,118,473.60-1,543,512-609,185.92

Finding the Fourth Proportional to 1,118,473.60, 1,543,512 and 609,185.92

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Solution

The fourth proportional to 1,118,473.60, 1,543,512 and 609,185.92 is: 840,686.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,473.60 : 1,543,512 = 609,185.92 : x
  2. Step 2: Convert to fraction form
    1,118,473.60/1,543,512 = 609,185.92/x
  3. Step 3: Cross multiply
    1,118,473.60x = 1,543,512 × 609,185.92
  4. Step 4: Simplify right side
    1,118,473.60x = 940,285,777,751.04
  5. Step 5: Solve for x
    x = 940,285,777,751.04/1,118,473.60
  6. Step 6: Final answer
    x = 840,686.61

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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.