Home / 1,207,824.50-1,666,818.88-663,983.22

Finding the Fourth Proportional to 1,207,824.50, 1,666,818.88 and 663,983.22

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Solution

The fourth proportional to 1,207,824.50, 1,666,818.88 and 663,983.22 is: 916,308.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,824.50 : 1,666,818.88 = 663,983.22 : x
  2. Step 2: Convert to fraction form
    1,207,824.50/1,666,818.88 = 663,983.22/x
  3. Step 3: Cross multiply
    1,207,824.50x = 1,666,818.88 × 663,983.22
  4. Step 4: Simplify right side
    1,207,824.50x = 1,106,739,767,099.19
  5. Step 5: Solve for x
    x = 1,106,739,767,099.19/1,207,824.50
  6. Step 6: Final answer
    x = 916,308.43

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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.