Home / 708,100.50-1,062,149.72-328,813.82

Finding the Fourth Proportional to 708,100.50, 1,062,149.72 and 328,813.82

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Solution

The fourth proportional to 708,100.50, 1,062,149.72 and 328,813.82 is: 493,220.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,100.50 : 1,062,149.72 = 328,813.82 : x
  2. Step 2: Convert to fraction form
    708,100.50/1,062,149.72 = 328,813.82/x
  3. Step 3: Cross multiply
    708,100.50x = 1,062,149.72 × 328,813.82
  4. Step 4: Simplify right side
    708,100.50x = 349,249,506,845.13
  5. Step 5: Solve for x
    x = 349,249,506,845.13/708,100.50
  6. Step 6: Final answer
    x = 493,220.25

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Similar ratio
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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.