Home / 711,278.55-981,562.28-384,589.24

Finding the Fourth Proportional to 711,278.55, 981,562.28 and 384,589.24

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Solution

The fourth proportional to 711,278.55, 981,562.28 and 384,589.24 is: 530,732.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,278.55 : 981,562.28 = 384,589.24 : x
  2. Step 2: Convert to fraction form
    711,278.55/981,562.28 = 384,589.24/x
  3. Step 3: Cross multiply
    711,278.55x = 981,562.28 × 384,589.24
  4. Step 4: Simplify right side
    711,278.55x = 377,498,291,277.87
  5. Step 5: Solve for x
    x = 377,498,291,277.87/711,278.55
  6. Step 6: Final answer
    x = 530,732.01

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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.