Home / 1,172,801.80-1,757,129.10-1,040,091.40

Finding the Fourth Proportional to 1,172,801.80, 1,757,129.10 and 1,040,091.40

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Solution

The fourth proportional to 1,172,801.80, 1,757,129.10 and 1,040,091.40 is: 1,558,298.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,801.80 : 1,757,129.10 = 1,040,091.40 : x
  2. Step 2: Convert to fraction form
    1,172,801.80/1,757,129.10 = 1,040,091.40/x
  3. Step 3: Cross multiply
    1,172,801.80x = 1,757,129.10 × 1,040,091.40
  4. Step 4: Simplify right side
    1,172,801.80x = 1,827,574,865,599.74
  5. Step 5: Solve for x
    x = 1,827,574,865,599.74/1,172,801.80
  6. Step 6: Final answer
    x = 1,558,298.14

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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.