Home / 1,170,077.15-1,755,115.73-1,091,345.15

Finding the Fourth Proportional to 1,170,077.15, 1,755,115.73 and 1,091,345.15

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Solution

The fourth proportional to 1,170,077.15, 1,755,115.73 and 1,091,345.15 is: 1,637,017.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,077.15 : 1,755,115.73 = 1,091,345.15 : x
  2. Step 2: Convert to fraction form
    1,170,077.15/1,755,115.73 = 1,091,345.15/x
  3. Step 3: Cross multiply
    1,170,077.15x = 1,755,115.73 × 1,091,345.15
  4. Step 4: Simplify right side
    1,170,077.15x = 1,915,437,039,624.21
  5. Step 5: Solve for x
    x = 1,915,437,039,624.21/1,170,077.15
  6. Step 6: Final answer
    x = 1,637,017.73

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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.