Home / 1,000,993.12-1,381,503.54-571,174.72

Finding the Fourth Proportional to 1,000,993.12, 1,381,503.54 and 571,174.72

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Solution

The fourth proportional to 1,000,993.12, 1,381,503.54 and 571,174.72 is: 788,297.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,993.12 : 1,381,503.54 = 571,174.72 : x
  2. Step 2: Convert to fraction form
    1,000,993.12/1,381,503.54 = 571,174.72/x
  3. Step 3: Cross multiply
    1,000,993.12x = 1,381,503.54 × 571,174.72
  4. Step 4: Simplify right side
    1,000,993.12x = 789,079,897,638.51
  5. Step 5: Solve for x
    x = 789,079,897,638.51/1,000,993.12
  6. Step 6: Final answer
    x = 788,297.02

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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.