Home / 1,587,960.27-2,191,393.28-862,809.84

Finding the Fourth Proportional to 1,587,960.27, 2,191,393.28 and 862,809.84

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Solution

The fourth proportional to 1,587,960.27, 2,191,393.28 and 862,809.84 is: 1,190,681.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,960.27 : 2,191,393.28 = 862,809.84 : x
  2. Step 2: Convert to fraction form
    1,587,960.27/2,191,393.28 = 862,809.84/x
  3. Step 3: Cross multiply
    1,587,960.27x = 2,191,393.28 × 862,809.84
  4. Step 4: Simplify right side
    1,587,960.27x = 1,890,755,685,293.88
  5. Step 5: Solve for x
    x = 1,890,755,685,293.88/1,587,960.27
  6. Step 6: Final answer
    x = 1,190,681.98

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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.