Home / 705,225.60-1,057,835.52-580,302.72

Finding the Fourth Proportional to 705,225.60, 1,057,835.52 and 580,302.72

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Solution

The fourth proportional to 705,225.60, 1,057,835.52 and 580,302.72 is: 870,451.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,225.60 : 1,057,835.52 = 580,302.72 : x
  2. Step 2: Convert to fraction form
    705,225.60/1,057,835.52 = 580,302.72/x
  3. Step 3: Cross multiply
    705,225.60x = 1,057,835.52 × 580,302.72
  4. Step 4: Simplify right side
    705,225.60x = 613,864,829,568.61
  5. Step 5: Solve for x
    x = 613,864,829,568.61/705,225.60
  6. Step 6: Final answer
    x = 870,451.71

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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.