Home / 995,979.02-1,374,455.39-543,279.74

Finding the Fourth Proportional to 995,979.02, 1,374,455.39 and 543,279.74

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Solution

The fourth proportional to 995,979.02, 1,374,455.39 and 543,279.74 is: 749,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,979.02 : 1,374,455.39 = 543,279.74 : x
  2. Step 2: Convert to fraction form
    995,979.02/1,374,455.39 = 543,279.74/x
  3. Step 3: Cross multiply
    995,979.02x = 1,374,455.39 × 543,279.74
  4. Step 4: Simplify right side
    995,979.02x = 746,713,757,332.12
  5. Step 5: Solve for x
    x = 746,713,757,332.12/995,979.02
  6. Step 6: Final answer
    x = 749,728.40

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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.