Home / 930,385.53-1,283,927.17-522,504.56

Finding the Fourth Proportional to 930,385.53, 1,283,927.17 and 522,504.56

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Solution

The fourth proportional to 930,385.53, 1,283,927.17 and 522,504.56 is: 721,053.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,385.53 : 1,283,927.17 = 522,504.56 : x
  2. Step 2: Convert to fraction form
    930,385.53/1,283,927.17 = 522,504.56/x
  3. Step 3: Cross multiply
    930,385.53x = 1,283,927.17 × 522,504.56
  4. Step 4: Simplify right side
    930,385.53x = 670,857,803,916.15
  5. Step 5: Solve for x
    x = 670,857,803,916.15/930,385.53
  6. Step 6: Final answer
    x = 721,053.57

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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.