Home / 935,868.15-1,291,656.86-528,085.61

Finding the Fourth Proportional to 935,868.15, 1,291,656.86 and 528,085.61

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Solution

The fourth proportional to 935,868.15, 1,291,656.86 and 528,085.61 is: 728,847.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,868.15 : 1,291,656.86 = 528,085.61 : x
  2. Step 2: Convert to fraction form
    935,868.15/1,291,656.86 = 528,085.61/x
  3. Step 3: Cross multiply
    935,868.15x = 1,291,656.86 × 528,085.61
  4. Step 4: Simplify right side
    935,868.15x = 682,105,391,725.07
  5. Step 5: Solve for x
    x = 682,105,391,725.07/935,868.15
  6. Step 6: Final answer
    x = 728,847.75

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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.