Home / 1,191,191.65-1,785,997.59-432,943.09

Finding the Fourth Proportional to 1,191,191.65, 1,785,997.59 and 432,943.09

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Solution

The fourth proportional to 1,191,191.65, 1,785,997.59 and 432,943.09 is: 649,127.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,191.65 : 1,785,997.59 = 432,943.09 : x
  2. Step 2: Convert to fraction form
    1,191,191.65/1,785,997.59 = 432,943.09/x
  3. Step 3: Cross multiply
    1,191,191.65x = 1,785,997.59 × 432,943.09
  4. Step 4: Simplify right side
    1,191,191.65x = 773,235,315,347.15
  5. Step 5: Solve for x
    x = 773,235,315,347.15/1,191,191.65
  6. Step 6: Final answer
    x = 649,127.55

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Double scale
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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.