Home / 833,116.38-1,149,701.21-451,143.46

Finding the Fourth Proportional to 833,116.38, 1,149,701.21 and 451,143.46

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Solution

The fourth proportional to 833,116.38, 1,149,701.21 and 451,143.46 is: 622,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,116.38 : 1,149,701.21 = 451,143.46 : x
  2. Step 2: Convert to fraction form
    833,116.38/1,149,701.21 = 451,143.46/x
  3. Step 3: Cross multiply
    833,116.38x = 1,149,701.21 × 451,143.46
  4. Step 4: Simplify right side
    833,116.38x = 518,680,181,845.59
  5. Step 5: Solve for x
    x = 518,680,181,845.59/833,116.38
  6. Step 6: Final answer
    x = 622,578.30

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Half scale
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Double scale
Find fourth proportional to 833,117.38, 1,149,702.59 and 451,144.46
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.