Home / 1,008,729.57-1,392,004.90-549,834.04

Finding the Fourth Proportional to 1,008,729.57, 1,392,004.90 and 549,834.04

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Solution

The fourth proportional to 1,008,729.57, 1,392,004.90 and 549,834.04 is: 758,748.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,729.57 : 1,392,004.90 = 549,834.04 : x
  2. Step 2: Convert to fraction form
    1,008,729.57/1,392,004.90 = 549,834.04/x
  3. Step 3: Cross multiply
    1,008,729.57x = 1,392,004.90 × 549,834.04
  4. Step 4: Simplify right side
    1,008,729.57x = 765,371,677,866.80
  5. Step 5: Solve for x
    x = 765,371,677,866.80/1,008,729.57
  6. Step 6: Final answer
    x = 758,748.13

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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.