Home / 578,749.47-868,169.10-173,910.07

Finding the Fourth Proportional to 578,749.47, 868,169.10 and 173,910.07

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Solution

The fourth proportional to 578,749.47, 868,169.10 and 173,910.07 is: 260,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,749.47 : 868,169.10 = 173,910.07 : x
  2. Step 2: Convert to fraction form
    578,749.47/868,169.10 = 173,910.07/x
  3. Step 3: Cross multiply
    578,749.47x = 868,169.10 × 173,910.07
  4. Step 4: Simplify right side
    578,749.47x = 150,983,348,952.84
  5. Step 5: Solve for x
    x = 150,983,348,952.84/578,749.47
  6. Step 6: Final answer
    x = 260,878.60

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1.5x scale

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.