Home / 711,648.01-981,977.26-425,107.27

Finding the Fourth Proportional to 711,648.01, 981,977.26 and 425,107.27

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Solution

The fourth proportional to 711,648.01, 981,977.26 and 425,107.27 is: 586,590.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,648.01 : 981,977.26 = 425,107.27 : x
  2. Step 2: Convert to fraction form
    711,648.01/981,977.26 = 425,107.27/x
  3. Step 3: Cross multiply
    711,648.01x = 981,977.26 × 425,107.27
  4. Step 4: Simplify right side
    711,648.01x = 417,445,665,165.26
  5. Step 5: Solve for x
    x = 417,445,665,165.26/711,648.01
  6. Step 6: Final answer
    x = 586,590.09

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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.