Home / 439,910.18-607,089.50-258,588.84

Finding the Fourth Proportional to 439,910.18, 607,089.50 and 258,588.84

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Solution

The fourth proportional to 439,910.18, 607,089.50 and 258,588.84 is: 356,860.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,910.18 : 607,089.50 = 258,588.84 : x
  2. Step 2: Convert to fraction form
    439,910.18/607,089.50 = 258,588.84/x
  3. Step 3: Cross multiply
    439,910.18x = 607,089.50 × 258,588.84
  4. Step 4: Simplify right side
    439,910.18x = 156,986,569,581.18
  5. Step 5: Solve for x
    x = 156,986,569,581.18/439,910.18
  6. Step 6: Final answer
    x = 356,860.51

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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.