Home / 938,836.62-1,295,594.86-509,116.64

Finding the Fourth Proportional to 938,836.62, 1,295,594.86 and 509,116.64

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Solution

The fourth proportional to 938,836.62, 1,295,594.86 and 509,116.64 is: 702,581.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,836.62 : 1,295,594.86 = 509,116.64 : x
  2. Step 2: Convert to fraction form
    938,836.62/1,295,594.86 = 509,116.64/x
  3. Step 3: Cross multiply
    938,836.62x = 1,295,594.86 × 509,116.64
  4. Step 4: Simplify right side
    938,836.62x = 659,608,901,924.47
  5. Step 5: Solve for x
    x = 659,608,901,924.47/938,836.62
  6. Step 6: Final answer
    x = 702,581.14

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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.