Home / 1,124,940.96-1,552,445.28-641,552.40

Finding the Fourth Proportional to 1,124,940.96, 1,552,445.28 and 641,552.40

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Solution

The fourth proportional to 1,124,940.96, 1,552,445.28 and 641,552.40 is: 885,357.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,940.96 : 1,552,445.28 = 641,552.40 : x
  2. Step 2: Convert to fraction form
    1,124,940.96/1,552,445.28 = 641,552.40/x
  3. Step 3: Cross multiply
    1,124,940.96x = 1,552,445.28 × 641,552.40
  4. Step 4: Simplify right side
    1,124,940.96x = 995,974,995,252.67
  5. Step 5: Solve for x
    x = 995,974,995,252.67/1,124,940.96
  6. Step 6: Final answer
    x = 885,357.57

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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.