Home / 1,431,402.83-1,975,340.01-819,564.98

Finding the Fourth Proportional to 1,431,402.83, 1,975,340.01 and 819,564.98

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Solution

The fourth proportional to 1,431,402.83, 1,975,340.01 and 819,564.98 is: 1,131,002.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,402.83 : 1,975,340.01 = 819,564.98 : x
  2. Step 2: Convert to fraction form
    1,431,402.83/1,975,340.01 = 819,564.98/x
  3. Step 3: Cross multiply
    1,431,402.83x = 1,975,340.01 × 819,564.98
  4. Step 4: Simplify right side
    1,431,402.83x = 1,618,919,495,788.85
  5. Step 5: Solve for x
    x = 1,618,919,495,788.85/1,431,402.83
  6. Step 6: Final answer
    x = 1,131,002.02

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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.