Home / 1,692,340.20-2,335,490.14-928,416.24

Finding the Fourth Proportional to 1,692,340.20, 2,335,490.14 and 928,416.24

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Solution

The fourth proportional to 1,692,340.20, 2,335,490.14 and 928,416.24 is: 1,281,247.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,692,340.20 : 2,335,490.14 = 928,416.24 : x
  2. Step 2: Convert to fraction form
    1,692,340.20/2,335,490.14 = 928,416.24/x
  3. Step 3: Cross multiply
    1,692,340.20x = 2,335,490.14 × 928,416.24
  4. Step 4: Simplify right side
    1,692,340.20x = 2,168,306,974,335.87
  5. Step 5: Solve for x
    x = 2,168,306,974,335.87/1,692,340.20
  6. Step 6: Final answer
    x = 1,281,247.69

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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.