Home / 780,433.06-1,170,081.86-527,085.52

Finding the Fourth Proportional to 780,433.06, 1,170,081.86 and 527,085.52

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Solution

The fourth proportional to 780,433.06, 1,170,081.86 and 527,085.52 is: 790,244.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,433.06 : 1,170,081.86 = 527,085.52 : x
  2. Step 2: Convert to fraction form
    780,433.06/1,170,081.86 = 527,085.52/x
  3. Step 3: Cross multiply
    780,433.06x = 1,170,081.86 × 527,085.52
  4. Step 4: Simplify right side
    780,433.06x = 616,733,205,620.67
  5. Step 5: Solve for x
    x = 616,733,205,620.67/780,433.06
  6. Step 6: Final answer
    x = 790,244.85

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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.