Home / 955,640.19-1,318,715.50-568,434.27

Finding the Fourth Proportional to 955,640.19, 1,318,715.50 and 568,434.27

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Solution

The fourth proportional to 955,640.19, 1,318,715.50 and 568,434.27 is: 784,398.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,640.19 : 1,318,715.50 = 568,434.27 : x
  2. Step 2: Convert to fraction form
    955,640.19/1,318,715.50 = 568,434.27/x
  3. Step 3: Cross multiply
    955,640.19x = 1,318,715.50 × 568,434.27
  4. Step 4: Simplify right side
    955,640.19x = 749,603,082,580.19
  5. Step 5: Solve for x
    x = 749,603,082,580.19/955,640.19
  6. Step 6: Final answer
    x = 784,398.87

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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.