Home / 875,237.57-1,312,540.74-369,837.72

Finding the Fourth Proportional to 875,237.57, 1,312,540.74 and 369,837.72

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Solution

The fourth proportional to 875,237.57, 1,312,540.74 and 369,837.72 is: 554,623.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,237.57 : 1,312,540.74 = 369,837.72 : x
  2. Step 2: Convert to fraction form
    875,237.57/1,312,540.74 = 369,837.72/x
  3. Step 3: Cross multiply
    875,237.57x = 1,312,540.74 × 369,837.72
  4. Step 4: Simplify right side
    875,237.57x = 485,427,070,785.53
  5. Step 5: Solve for x
    x = 485,427,070,785.53/875,237.57
  6. Step 6: Final answer
    x = 554,623.21

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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.