Home / 1,712,415.04-2,364,721.20-1,281,947.92

Finding the Fourth Proportional to 1,712,415.04, 2,364,721.20 and 1,281,947.92

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Solution

The fourth proportional to 1,712,415.04, 2,364,721.20 and 1,281,947.92 is: 1,770,277.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,415.04 : 2,364,721.20 = 1,281,947.92 : x
  2. Step 2: Convert to fraction form
    1,712,415.04/2,364,721.20 = 1,281,947.92/x
  3. Step 3: Cross multiply
    1,712,415.04x = 2,364,721.20 × 1,281,947.92
  4. Step 4: Simplify right side
    1,712,415.04x = 3,031,449,423,719.90
  5. Step 5: Solve for x
    x = 3,031,449,423,719.90/1,712,415.04
  6. Step 6: Final answer
    x = 1,770,277.27

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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.