Home / 892,301.36-1,338,451.98-261,215.16

Finding the Fourth Proportional to 892,301.36, 1,338,451.98 and 261,215.16

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Solution

The fourth proportional to 892,301.36, 1,338,451.98 and 261,215.16 is: 391,822.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,301.36 : 1,338,451.98 = 261,215.16 : x
  2. Step 2: Convert to fraction form
    892,301.36/1,338,451.98 = 261,215.16/x
  3. Step 3: Cross multiply
    892,301.36x = 1,338,451.98 × 261,215.16
  4. Step 4: Simplify right side
    892,301.36x = 349,623,948,108.02
  5. Step 5: Solve for x
    x = 349,623,948,108.02/892,301.36
  6. Step 6: Final answer
    x = 391,822.72

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1.5x scale

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.