Home / 832,502.16-1,248,247.44-326,456.76

Finding the Fourth Proportional to 832,502.16, 1,248,247.44 and 326,456.76

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Solution

The fourth proportional to 832,502.16, 1,248,247.44 and 326,456.76 is: 489,486.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,502.16 : 1,248,247.44 = 326,456.76 : x
  2. Step 2: Convert to fraction form
    832,502.16/1,248,247.44 = 326,456.76/x
  3. Step 3: Cross multiply
    832,502.16x = 1,248,247.44 × 326,456.76
  4. Step 4: Simplify right side
    832,502.16x = 407,498,814,940.69
  5. Step 5: Solve for x
    x = 407,498,814,940.69/832,502.16
  6. Step 6: Final answer
    x = 489,486.80

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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.