Home / 763,276.26-1,150,400.69-657,931.66

Finding the Fourth Proportional to 763,276.26, 1,150,400.69 and 657,931.66

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Solution

The fourth proportional to 763,276.26, 1,150,400.69 and 657,931.66 is: 991,626.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,276.26 : 1,150,400.69 = 657,931.66 : x
  2. Step 2: Convert to fraction form
    763,276.26/1,150,400.69 = 657,931.66/x
  3. Step 3: Cross multiply
    763,276.26x = 1,150,400.69 × 657,931.66
  4. Step 4: Simplify right side
    763,276.26x = 756,885,035,636.85
  5. Step 5: Solve for x
    x = 756,885,035,636.85/763,276.26
  6. Step 6: Final answer
    x = 991,626.59

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.