Home / 810,248.67-1,214,721.72-556,778.13

Finding the Fourth Proportional to 810,248.67, 1,214,721.72 and 556,778.13

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Solution

The fourth proportional to 810,248.67, 1,214,721.72 and 556,778.13 is: 834,719.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,248.67 : 1,214,721.72 = 556,778.13 : x
  2. Step 2: Convert to fraction form
    810,248.67/1,214,721.72 = 556,778.13/x
  3. Step 3: Cross multiply
    810,248.67x = 1,214,721.72 × 556,778.13
  4. Step 4: Simplify right side
    810,248.67x = 676,330,487,731.98
  5. Step 5: Solve for x
    x = 676,330,487,731.98/810,248.67
  6. Step 6: Final answer
    x = 834,719.65

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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.