Home / 946,442.34-1,306,123.38-538,605.72

Finding the Fourth Proportional to 946,442.34, 1,306,123.38 and 538,605.72

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Solution

The fourth proportional to 946,442.34, 1,306,123.38 and 538,605.72 is: 743,294.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,442.34 : 1,306,123.38 = 538,605.72 : x
  2. Step 2: Convert to fraction form
    946,442.34/1,306,123.38 = 538,605.72/x
  3. Step 3: Cross multiply
    946,442.34x = 1,306,123.38 × 538,605.72
  4. Step 4: Simplify right side
    946,442.34x = 703,485,523,493.73
  5. Step 5: Solve for x
    x = 703,485,523,493.73/946,442.34
  6. Step 6: Final answer
    x = 743,294.65

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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.