Home / 711,277.55-981,560.90-384,588.24

Finding the Fourth Proportional to 711,277.55, 981,560.90 and 384,588.24

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Solution

The fourth proportional to 711,277.55, 981,560.90 and 384,588.24 is: 530,730.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,277.55 : 981,560.90 = 384,588.24 : x
  2. Step 2: Convert to fraction form
    711,277.55/981,560.90 = 384,588.24/x
  3. Step 3: Cross multiply
    711,277.55x = 981,560.90 × 384,588.24
  4. Step 4: Simplify right side
    711,277.55x = 377,496,781,785.71
  5. Step 5: Solve for x
    x = 377,496,781,785.71/711,277.55
  6. Step 6: Final answer
    x = 530,730.63

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Double scale
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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.