Home / 500,036.38-690,050.20-273,681.88

Finding the Fourth Proportional to 500,036.38, 690,050.20 and 273,681.88

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Solution

The fourth proportional to 500,036.38, 690,050.20 and 273,681.88 is: 377,680.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,036.38 : 690,050.20 = 273,681.88 : x
  2. Step 2: Convert to fraction form
    500,036.38/690,050.20 = 273,681.88/x
  3. Step 3: Cross multiply
    500,036.38x = 690,050.20 × 273,681.88
  4. Step 4: Simplify right side
    500,036.38x = 188,854,236,030.38
  5. Step 5: Solve for x
    x = 188,854,236,030.38/500,036.38
  6. Step 6: Final answer
    x = 377,680.99

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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.