Home / 646,935.60-970,403.40-590,948.40

Finding the Fourth Proportional to 646,935.60, 970,403.40 and 590,948.40

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Solution

The fourth proportional to 646,935.60, 970,403.40 and 590,948.40 is: 886,422.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,935.60 : 970,403.40 = 590,948.40 : x
  2. Step 2: Convert to fraction form
    646,935.60/970,403.40 = 590,948.40/x
  3. Step 3: Cross multiply
    646,935.60x = 970,403.40 × 590,948.40
  4. Step 4: Simplify right side
    646,935.60x = 573,458,336,584.56
  5. Step 5: Solve for x
    x = 573,458,336,584.56/646,935.60
  6. Step 6: Final answer
    x = 886,422.60

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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.