Home / 836,319.08-1,154,128.44-454,348.60

Finding the Fourth Proportional to 836,319.08, 1,154,128.44 and 454,348.60

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Solution

The fourth proportional to 836,319.08, 1,154,128.44 and 454,348.60 is: 627,005.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,319.08 : 1,154,128.44 = 454,348.60 : x
  2. Step 2: Convert to fraction form
    836,319.08/1,154,128.44 = 454,348.60/x
  3. Step 3: Cross multiply
    836,319.08x = 1,154,128.44 × 454,348.60
  4. Step 4: Simplify right side
    836,319.08x = 524,376,640,934.18
  5. Step 5: Solve for x
    x = 524,376,640,934.18/836,319.08
  6. Step 6: Final answer
    x = 627,005.47

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Double scale
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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.