Home / 1,023,380.40-1,412,518.08-697,233.12

Finding the Fourth Proportional to 1,023,380.40, 1,412,518.08 and 697,233.12

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Solution

The fourth proportional to 1,023,380.40, 1,412,518.08 and 697,233.12 is: 962,354.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,380.40 : 1,412,518.08 = 697,233.12 : x
  2. Step 2: Convert to fraction form
    1,023,380.40/1,412,518.08 = 697,233.12/x
  3. Step 3: Cross multiply
    1,023,380.40x = 1,412,518.08 × 697,233.12
  4. Step 4: Simplify right side
    1,023,380.40x = 984,854,387,974.81
  5. Step 5: Solve for x
    x = 984,854,387,974.81/1,023,380.40
  6. Step 6: Final answer
    x = 962,354.16

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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.