Home / 892,372.38-1,230,284.48-709,222.52

Finding the Fourth Proportional to 892,372.38, 1,230,284.48 and 709,222.52

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Solution

The fourth proportional to 892,372.38, 1,230,284.48 and 709,222.52 is: 977,781.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,372.38 : 1,230,284.48 = 709,222.52 : x
  2. Step 2: Convert to fraction form
    892,372.38/1,230,284.48 = 709,222.52/x
  3. Step 3: Cross multiply
    892,372.38x = 1,230,284.48 × 709,222.52
  4. Step 4: Simplify right side
    892,372.38x = 872,545,459,222.49
  5. Step 5: Solve for x
    x = 872,545,459,222.49/892,372.38
  6. Step 6: Final answer
    x = 977,781.79

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1.5x scale

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.