Home / 785,699.39-1,084,272.31-475,609.10

Finding the Fourth Proportional to 785,699.39, 1,084,272.31 and 475,609.10

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Solution

The fourth proportional to 785,699.39, 1,084,272.31 and 475,609.10 is: 656,344.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,699.39 : 1,084,272.31 = 475,609.10 : x
  2. Step 2: Convert to fraction form
    785,699.39/1,084,272.31 = 475,609.10/x
  3. Step 3: Cross multiply
    785,699.39x = 1,084,272.31 × 475,609.10
  4. Step 4: Simplify right side
    785,699.39x = 515,689,776,432.05
  5. Step 5: Solve for x
    x = 515,689,776,432.05/785,699.39
  6. Step 6: Final answer
    x = 656,344.89

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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.