Home / 1,103,617.08-1,523,031.66-620,191.80

Finding the Fourth Proportional to 1,103,617.08, 1,523,031.66 and 620,191.80

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Solution

The fourth proportional to 1,103,617.08, 1,523,031.66 and 620,191.80 is: 855,887.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,617.08 : 1,523,031.66 = 620,191.80 : x
  2. Step 2: Convert to fraction form
    1,103,617.08/1,523,031.66 = 620,191.80/x
  3. Step 3: Cross multiply
    1,103,617.08x = 1,523,031.66 × 620,191.80
  4. Step 4: Simplify right side
    1,103,617.08x = 944,571,746,672.39
  5. Step 5: Solve for x
    x = 944,571,746,672.39/1,103,617.08
  6. Step 6: Final answer
    x = 855,887.21

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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.