Home / 892,834.73-1,231,900.85-525,327.91

Finding the Fourth Proportional to 892,834.73, 1,231,900.85 and 525,327.91

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Solution

The fourth proportional to 892,834.73, 1,231,900.85 and 525,327.91 is: 724,828.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,834.73 : 1,231,900.85 = 525,327.91 : x
  2. Step 2: Convert to fraction form
    892,834.73/1,231,900.85 = 525,327.91/x
  3. Step 3: Cross multiply
    892,834.73x = 1,231,900.85 × 525,327.91
  4. Step 4: Simplify right side
    892,834.73x = 647,151,897,091.29
  5. Step 5: Solve for x
    x = 647,151,897,091.29/892,834.73
  6. Step 6: Final answer
    x = 724,828.32

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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.