Home / 834,246.30-1,251,369.45-519,318.30

Finding the Fourth Proportional to 834,246.30, 1,251,369.45 and 519,318.30

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Solution

The fourth proportional to 834,246.30, 1,251,369.45 and 519,318.30 is: 778,977.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,246.30 : 1,251,369.45 = 519,318.30 : x
  2. Step 2: Convert to fraction form
    834,246.30/1,251,369.45 = 519,318.30/x
  3. Step 3: Cross multiply
    834,246.30x = 1,251,369.45 × 519,318.30
  4. Step 4: Simplify right side
    834,246.30x = 649,859,055,445.94
  5. Step 5: Solve for x
    x = 649,859,055,445.94/834,246.30
  6. Step 6: Final answer
    x = 778,977.45

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Double scale
Find fourth proportional to 834,247.30, 1,251,370.95 and 519,319.30
Similar ratio
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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.