Home / 708,302.48-1,061,874.77-329,459.40

Finding the Fourth Proportional to 708,302.48, 1,061,874.77 and 329,459.40

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Solution

The fourth proportional to 708,302.48, 1,061,874.77 and 329,459.40 is: 493,919.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,302.48 : 1,061,874.77 = 329,459.40 : x
  2. Step 2: Convert to fraction form
    708,302.48/1,061,874.77 = 329,459.40/x
  3. Step 3: Cross multiply
    708,302.48x = 1,061,874.77 × 329,459.40
  4. Step 4: Simplify right side
    708,302.48x = 349,844,622,952.04
  5. Step 5: Solve for x
    x = 349,844,622,952.04/708,302.48
  6. Step 6: Final answer
    x = 493,919.81

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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.