Home / 931,353.84-1,284,979.32-543,889.76

Finding the Fourth Proportional to 931,353.84, 1,284,979.32 and 543,889.76

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Solution

The fourth proportional to 931,353.84, 1,284,979.32 and 543,889.76 is: 750,399.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,353.84 : 1,284,979.32 = 543,889.76 : x
  2. Step 2: Convert to fraction form
    931,353.84/1,284,979.32 = 543,889.76/x
  3. Step 3: Cross multiply
    931,353.84x = 1,284,979.32 × 543,889.76
  4. Step 4: Simplify right side
    931,353.84x = 698,887,092,353.54
  5. Step 5: Solve for x
    x = 698,887,092,353.54/931,353.84
  6. Step 6: Final answer
    x = 750,399.11

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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.