Home / 1,656,143.12-2,285,487.05-930,984.47

Finding the Fourth Proportional to 1,656,143.12, 2,285,487.05 and 930,984.47

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Solution

The fourth proportional to 1,656,143.12, 2,285,487.05 and 930,984.47 is: 1,284,763.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,143.12 : 2,285,487.05 = 930,984.47 : x
  2. Step 2: Convert to fraction form
    1,656,143.12/2,285,487.05 = 930,984.47/x
  3. Step 3: Cross multiply
    1,656,143.12x = 2,285,487.05 × 930,984.47
  4. Step 4: Simplify right side
    1,656,143.12x = 2,127,752,933,853.76
  5. Step 5: Solve for x
    x = 2,127,752,933,853.76/1,656,143.12
  6. Step 6: Final answer
    x = 1,284,763.93

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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.