Home / 901,698.72-1,244,042.12-519,717.28

Finding the Fourth Proportional to 901,698.72, 1,244,042.12 and 519,717.28

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Solution

The fourth proportional to 901,698.72, 1,244,042.12 and 519,717.28 is: 717,035.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,698.72 : 1,244,042.12 = 519,717.28 : x
  2. Step 2: Convert to fraction form
    901,698.72/1,244,042.12 = 519,717.28/x
  3. Step 3: Cross multiply
    901,698.72x = 1,244,042.12 × 519,717.28
  4. Step 4: Simplify right side
    901,698.72x = 646,550,186,811.83
  5. Step 5: Solve for x
    x = 646,550,186,811.83/901,698.72
  6. Step 6: Final answer
    x = 717,035.72

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Double scale
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1.5x scale

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.