Home / 1,138,161.80-1,707,242.70-571,291.40

Finding the Fourth Proportional to 1,138,161.80, 1,707,242.70 and 571,291.40

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Solution

The fourth proportional to 1,138,161.80, 1,707,242.70 and 571,291.40 is: 856,937.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,161.80 : 1,707,242.70 = 571,291.40 : x
  2. Step 2: Convert to fraction form
    1,138,161.80/1,707,242.70 = 571,291.40/x
  3. Step 3: Cross multiply
    1,138,161.80x = 1,707,242.70 × 571,291.40
  4. Step 4: Simplify right side
    1,138,161.80x = 975,333,072,222.78
  5. Step 5: Solve for x
    x = 975,333,072,222.78/1,138,161.80
  6. Step 6: Final answer
    x = 856,937.10

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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.