Home / 1,092,132.70-1,638,199.05-619,740.70

Finding the Fourth Proportional to 1,092,132.70, 1,638,199.05 and 619,740.70

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Solution

The fourth proportional to 1,092,132.70, 1,638,199.05 and 619,740.70 is: 929,611.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,132.70 : 1,638,199.05 = 619,740.70 : x
  2. Step 2: Convert to fraction form
    1,092,132.70/1,638,199.05 = 619,740.70/x
  3. Step 3: Cross multiply
    1,092,132.70x = 1,638,199.05 × 619,740.70
  4. Step 4: Simplify right side
    1,092,132.70x = 1,015,258,625,986.34
  5. Step 5: Solve for x
    x = 1,015,258,625,986.34/1,092,132.70
  6. Step 6: Final answer
    x = 929,611.05

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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.