Home / 891,200.16-1,336,956.12-531,657.36

Finding the Fourth Proportional to 891,200.16, 1,336,956.12 and 531,657.36

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Solution

The fourth proportional to 891,200.16, 1,336,956.12 and 531,657.36 is: 797,579.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,200.16 : 1,336,956.12 = 531,657.36 : x
  2. Step 2: Convert to fraction form
    891,200.16/1,336,956.12 = 531,657.36/x
  3. Step 3: Cross multiply
    891,200.16x = 1,336,956.12 × 531,657.36
  4. Step 4: Simplify right side
    891,200.16x = 710,802,561,195.04
  5. Step 5: Solve for x
    x = 710,802,561,195.04/891,200.16
  6. Step 6: Final answer
    x = 797,579.03

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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.