Home / 1,017,002.20-1,525,892.10-1,001,061.40

Finding the Fourth Proportional to 1,017,002.20, 1,525,892.10 and 1,001,061.40

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Solution

The fourth proportional to 1,017,002.20, 1,525,892.10 and 1,001,061.40 is: 1,501,974.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,002.20 : 1,525,892.10 = 1,001,061.40 : x
  2. Step 2: Convert to fraction form
    1,017,002.20/1,525,892.10 = 1,001,061.40/x
  3. Step 3: Cross multiply
    1,017,002.20x = 1,525,892.10 × 1,001,061.40
  4. Step 4: Simplify right side
    1,017,002.20x = 1,527,511,681,874.94
  5. Step 5: Solve for x
    x = 1,527,511,681,874.94/1,017,002.20
  6. Step 6: Final answer
    x = 1,501,974.81

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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.