Home / 1,656,320.39-2,285,708.38-931,171.33

Finding the Fourth Proportional to 1,656,320.39, 2,285,708.38 and 931,171.33

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Solution

The fourth proportional to 1,656,320.39, 2,285,708.38 and 931,171.33 is: 1,285,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,320.39 : 2,285,708.38 = 931,171.33 : x
  2. Step 2: Convert to fraction form
    1,656,320.39/2,285,708.38 = 931,171.33/x
  3. Step 3: Cross multiply
    1,656,320.39x = 2,285,708.38 × 931,171.33
  4. Step 4: Simplify right side
    1,656,320.39x = 2,128,386,112,196.75
  5. Step 5: Solve for x
    x = 2,128,386,112,196.75/1,656,320.39
  6. Step 6: Final answer
    x = 1,285,008.70

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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.