Home / 1,677,068.55-2,314,304.06-931,991.87

Finding the Fourth Proportional to 1,677,068.55, 2,314,304.06 and 931,991.87

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Solution

The fourth proportional to 1,677,068.55, 2,314,304.06 and 931,991.87 is: 1,286,120.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,677,068.55 : 2,314,304.06 = 931,991.87 : x
  2. Step 2: Convert to fraction form
    1,677,068.55/2,314,304.06 = 931,991.87/x
  3. Step 3: Cross multiply
    1,677,068.55x = 2,314,304.06 × 931,991.87
  4. Step 4: Simplify right side
    1,677,068.55x = 2,156,912,569,753.79
  5. Step 5: Solve for x
    x = 2,156,912,569,753.79/1,677,068.55
  6. Step 6: Final answer
    x = 1,286,120.70

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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.