Home / 719,823.38-993,356.26-418,036.82

Finding the Fourth Proportional to 719,823.38, 993,356.26 and 418,036.82

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Solution

The fourth proportional to 719,823.38, 993,356.26 and 418,036.82 is: 576,890.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,823.38 : 993,356.26 = 418,036.82 : x
  2. Step 2: Convert to fraction form
    719,823.38/993,356.26 = 418,036.82/x
  3. Step 3: Cross multiply
    719,823.38x = 993,356.26 × 418,036.82
  4. Step 4: Simplify right side
    719,823.38x = 415,259,486,045.62
  5. Step 5: Solve for x
    x = 415,259,486,045.62/719,823.38
  6. Step 6: Final answer
    x = 576,890.80

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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.