Home / 820,967.52-1,132,311.72-706,438.11

Finding the Fourth Proportional to 820,967.52, 1,132,311.72 and 706,438.11

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Solution

The fourth proportional to 820,967.52, 1,132,311.72 and 706,438.11 is: 974,348.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,967.52 : 1,132,311.72 = 706,438.11 : x
  2. Step 2: Convert to fraction form
    820,967.52/1,132,311.72 = 706,438.11/x
  3. Step 3: Cross multiply
    820,967.52x = 1,132,311.72 × 706,438.11
  4. Step 4: Simplify right side
    820,967.52x = 799,908,151,407.65
  5. Step 5: Solve for x
    x = 799,908,151,407.65/820,967.52
  6. Step 6: Final answer
    x = 974,348.11

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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.