Home / 769,877.22-1,062,384.30-425,692.56

Finding the Fourth Proportional to 769,877.22, 1,062,384.30 and 425,692.56

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Solution

The fourth proportional to 769,877.22, 1,062,384.30 and 425,692.56 is: 587,430.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,877.22 : 1,062,384.30 = 425,692.56 : x
  2. Step 2: Convert to fraction form
    769,877.22/1,062,384.30 = 425,692.56/x
  3. Step 3: Cross multiply
    769,877.22x = 1,062,384.30 × 425,692.56
  4. Step 4: Simplify right side
    769,877.22x = 452,249,092,370.81
  5. Step 5: Solve for x
    x = 452,249,092,370.81/769,877.22
  6. Step 6: Final answer
    x = 587,430.15

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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.