Home / 1,397,101-1,927,999.38-761,197

Finding the Fourth Proportional to 1,397,101, 1,927,999.38 and 761,197

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Solution

The fourth proportional to 1,397,101, 1,927,999.38 and 761,197 is: 1,050,451.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,101 : 1,927,999.38 = 761,197 : x
  2. Step 2: Convert to fraction form
    1,397,101/1,927,999.38 = 761,197/x
  3. Step 3: Cross multiply
    1,397,101x = 1,927,999.38 × 761,197
  4. Step 4: Simplify right side
    1,397,101x = 1,467,587,344,057.86
  5. Step 5: Solve for x
    x = 1,467,587,344,057.86/1,397,101
  6. Step 6: Final answer
    x = 1,050,451.86

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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.