Home / 558,463.28-770,256.97-386,668.76

Finding the Fourth Proportional to 558,463.28, 770,256.97 and 386,668.76

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Solution

The fourth proportional to 558,463.28, 770,256.97 and 386,668.76 is: 533,310.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,463.28 : 770,256.97 = 386,668.76 : x
  2. Step 2: Convert to fraction form
    558,463.28/770,256.97 = 386,668.76/x
  3. Step 3: Cross multiply
    558,463.28x = 770,256.97 × 386,668.76
  4. Step 4: Simplify right side
    558,463.28x = 297,834,307,471.26
  5. Step 5: Solve for x
    x = 297,834,307,471.26/558,463.28
  6. Step 6: Final answer
    x = 533,310.46

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1.5x scale

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.