Home / 646,727.60-970,091.40-497,255.60

Finding the Fourth Proportional to 646,727.60, 970,091.40 and 497,255.60

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Solution

The fourth proportional to 646,727.60, 970,091.40 and 497,255.60 is: 745,883.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,727.60 : 970,091.40 = 497,255.60 : x
  2. Step 2: Convert to fraction form
    646,727.60/970,091.40 = 497,255.60/x
  3. Step 3: Cross multiply
    646,727.60x = 970,091.40 × 497,255.60
  4. Step 4: Simplify right side
    646,727.60x = 482,383,381,161.84
  5. Step 5: Solve for x
    x = 482,383,381,161.84/646,727.60
  6. Step 6: Final answer
    x = 745,883.40

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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.