Home / 850,520.36-1,172,103.17-608,382.53

Finding the Fourth Proportional to 850,520.36, 1,172,103.17 and 608,382.53

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Solution

The fourth proportional to 850,520.36, 1,172,103.17 and 608,382.53 is: 838,412.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,520.36 : 1,172,103.17 = 608,382.53 : x
  2. Step 2: Convert to fraction form
    850,520.36/1,172,103.17 = 608,382.53/x
  3. Step 3: Cross multiply
    850,520.36x = 1,172,103.17 × 608,382.53
  4. Step 4: Simplify right side
    850,520.36x = 713,087,083,083.19
  5. Step 5: Solve for x
    x = 713,087,083,083.19/850,520.36
  6. Step 6: Final answer
    x = 838,412.72

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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.