Home / 1,292,695.20-1,939,042.80-894,114.45

Finding the Fourth Proportional to 1,292,695.20, 1,939,042.80 and 894,114.45

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Solution

The fourth proportional to 1,292,695.20, 1,939,042.80 and 894,114.45 is: 1,341,171.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,695.20 : 1,939,042.80 = 894,114.45 : x
  2. Step 2: Convert to fraction form
    1,292,695.20/1,939,042.80 = 894,114.45/x
  3. Step 3: Cross multiply
    1,292,695.20x = 1,939,042.80 × 894,114.45
  4. Step 4: Simplify right side
    1,292,695.20x = 1,733,726,186,648.46
  5. Step 5: Solve for x
    x = 1,733,726,186,648.46/1,292,695.20
  6. Step 6: Final answer
    x = 1,341,171.68

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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.