Home / 694,530.40-1,044,128.40-591,887.20

Finding the Fourth Proportional to 694,530.40, 1,044,128.40 and 591,887.20

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Solution

The fourth proportional to 694,530.40, 1,044,128.40 and 591,887.20 is: 889,818.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,530.40 : 1,044,128.40 = 591,887.20 : x
  2. Step 2: Convert to fraction form
    694,530.40/1,044,128.40 = 591,887.20/x
  3. Step 3: Cross multiply
    694,530.40x = 1,044,128.40 × 591,887.20
  4. Step 4: Simplify right side
    694,530.40x = 618,006,235,116.48
  5. Step 5: Solve for x
    x = 618,006,235,116.48/694,530.40
  6. Step 6: Final answer
    x = 889,818.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.