Home / 933,081.30-1,398,585.15-400,511.70

Finding the Fourth Proportional to 933,081.30, 1,398,585.15 and 400,511.70

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Solution

The fourth proportional to 933,081.30, 1,398,585.15 and 400,511.70 is: 600,322.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,081.30 : 1,398,585.15 = 400,511.70 : x
  2. Step 2: Convert to fraction form
    933,081.30/1,398,585.15 = 400,511.70/x
  3. Step 3: Cross multiply
    933,081.30x = 1,398,585.15 × 400,511.70
  4. Step 4: Simplify right side
    933,081.30x = 560,149,716,021.26
  5. Step 5: Solve for x
    x = 560,149,716,021.26/933,081.30
  6. Step 6: Final answer
    x = 600,322.52

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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.