Home / 684,429.26-1,026,643.90-185,793.26

Finding the Fourth Proportional to 684,429.26, 1,026,643.90 and 185,793.26

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Solution

The fourth proportional to 684,429.26, 1,026,643.90 and 185,793.26 is: 278,689.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,429.26 : 1,026,643.90 = 185,793.26 : x
  2. Step 2: Convert to fraction form
    684,429.26/1,026,643.90 = 185,793.26/x
  3. Step 3: Cross multiply
    684,429.26x = 1,026,643.90 × 185,793.26
  4. Step 4: Simplify right side
    684,429.26x = 190,743,517,040.11
  5. Step 5: Solve for x
    x = 190,743,517,040.11/684,429.26
  6. Step 6: Final answer
    x = 278,689.89

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Double scale
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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.