Home / 1,785,309.80-2,678,223.90-587,287.40

Finding the Fourth Proportional to 1,785,309.80, 2,678,223.90 and 587,287.40

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Solution

The fourth proportional to 1,785,309.80, 2,678,223.90 and 587,287.40 is: 881,016.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,309.80 : 2,678,223.90 = 587,287.40 : x
  2. Step 2: Convert to fraction form
    1,785,309.80/2,678,223.90 = 587,287.40/x
  3. Step 3: Cross multiply
    1,785,309.80x = 2,678,223.90 × 587,287.40
  4. Step 4: Simplify right side
    1,785,309.80x = 1,572,887,150,848.86
  5. Step 5: Solve for x
    x = 1,572,887,150,848.86/1,785,309.80
  6. Step 6: Final answer
    x = 881,016.37

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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.