Home / 537,128.32-805,680.77-252,661.19

Finding the Fourth Proportional to 537,128.32, 805,680.77 and 252,661.19

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Solution

The fourth proportional to 537,128.32, 805,680.77 and 252,661.19 is: 378,986.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,128.32 : 805,680.77 = 252,661.19 : x
  2. Step 2: Convert to fraction form
    537,128.32/805,680.77 = 252,661.19/x
  3. Step 3: Cross multiply
    537,128.32x = 805,680.77 × 252,661.19
  4. Step 4: Simplify right side
    537,128.32x = 203,564,260,785.39
  5. Step 5: Solve for x
    x = 203,564,260,785.39/537,128.32
  6. Step 6: Final answer
    x = 378,986.28

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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.