Home / 1,200,666.06-1,656,918.61-656,801.70

Finding the Fourth Proportional to 1,200,666.06, 1,656,918.61 and 656,801.70

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Solution

The fourth proportional to 1,200,666.06, 1,656,918.61 and 656,801.70 is: 906,386.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,666.06 : 1,656,918.61 = 656,801.70 : x
  2. Step 2: Convert to fraction form
    1,200,666.06/1,656,918.61 = 656,801.70/x
  3. Step 3: Cross multiply
    1,200,666.06x = 1,656,918.61 × 656,801.70
  4. Step 4: Simplify right side
    1,200,666.06x = 1,088,266,960,791.57
  5. Step 5: Solve for x
    x = 1,088,266,960,791.57/1,200,666.06
  6. Step 6: Final answer
    x = 906,386.04

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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.