Home / 1,377,002.90-2,064,082.80-619,207.40

Finding the Fourth Proportional to 1,377,002.90, 2,064,082.80 and 619,207.40

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Solution

The fourth proportional to 1,377,002.90, 2,064,082.80 and 619,207.40 is: 928,171.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,002.90 : 2,064,082.80 = 619,207.40 : x
  2. Step 2: Convert to fraction form
    1,377,002.90/2,064,082.80 = 619,207.40/x
  3. Step 3: Cross multiply
    1,377,002.90x = 2,064,082.80 × 619,207.40
  4. Step 4: Simplify right side
    1,377,002.90x = 1,278,095,343,972.72
  5. Step 5: Solve for x
    x = 1,278,095,343,972.72/1,377,002.90
  6. Step 6: Final answer
    x = 928,171.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.