Home / 1,572,939.54-2,170,624.10-875,204.86

Finding the Fourth Proportional to 1,572,939.54, 2,170,624.10 and 875,204.86

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Solution

The fourth proportional to 1,572,939.54, 2,170,624.10 and 875,204.86 is: 1,207,764.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,939.54 : 2,170,624.10 = 875,204.86 : x
  2. Step 2: Convert to fraction form
    1,572,939.54/2,170,624.10 = 875,204.86/x
  3. Step 3: Cross multiply
    1,572,939.54x = 2,170,624.10 × 875,204.86
  4. Step 4: Simplify right side
    1,572,939.54x = 1,899,740,761,553.13
  5. Step 5: Solve for x
    x = 1,899,740,761,553.13/1,572,939.54
  6. Step 6: Final answer
    x = 1,207,764.64

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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.