Home / 931,354.16-1,284,979.75-543,890.07

Finding the Fourth Proportional to 931,354.16, 1,284,979.75 and 543,890.07

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Solution

The fourth proportional to 931,354.16, 1,284,979.75 and 543,890.07 is: 750,399.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,354.16 : 1,284,979.75 = 543,890.07 : x
  2. Step 2: Convert to fraction form
    931,354.16/1,284,979.75 = 543,890.07/x
  3. Step 3: Cross multiply
    931,354.16x = 1,284,979.75 × 543,890.07
  4. Step 4: Simplify right side
    931,354.16x = 698,887,726,176.08
  5. Step 5: Solve for x
    x = 698,887,726,176.08/931,354.16
  6. Step 6: Final answer
    x = 750,399.54

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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.