Home / 931,127.73-1,284,914.88-543,979.05

Finding the Fourth Proportional to 931,127.73, 1,284,914.88 and 543,979.05

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Solution

The fourth proportional to 931,127.73, 1,284,914.88 and 543,979.05 is: 750,666.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,127.73 : 1,284,914.88 = 543,979.05 : x
  2. Step 2: Convert to fraction form
    931,127.73/1,284,914.88 = 543,979.05/x
  3. Step 3: Cross multiply
    931,127.73x = 1,284,914.88 × 543,979.05
  4. Step 4: Simplify right side
    931,127.73x = 698,966,775,753.26
  5. Step 5: Solve for x
    x = 698,966,775,753.26/931,127.73
  6. Step 6: Final answer
    x = 750,666.91

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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.