Home / 866,384.70-1,195,130.82-503,768.52

Finding the Fourth Proportional to 866,384.70, 1,195,130.82 and 503,768.52

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Solution

The fourth proportional to 866,384.70, 1,195,130.82 and 503,768.52 is: 694,921.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,384.70 : 1,195,130.82 = 503,768.52 : x
  2. Step 2: Convert to fraction form
    866,384.70/1,195,130.82 = 503,768.52/x
  3. Step 3: Cross multiply
    866,384.70x = 1,195,130.82 × 503,768.52
  4. Step 4: Simplify right side
    866,384.70x = 602,069,284,397.79
  5. Step 5: Solve for x
    x = 602,069,284,397.79/866,384.70
  6. Step 6: Final answer
    x = 694,921.42

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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.