Home / 957,547.71-1,321,424.73-527,843.25

Finding the Fourth Proportional to 957,547.71, 1,321,424.73 and 527,843.25

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Solution

The fourth proportional to 957,547.71, 1,321,424.73 and 527,843.25 is: 728,428.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,547.71 : 1,321,424.73 = 527,843.25 : x
  2. Step 2: Convert to fraction form
    957,547.71/1,321,424.73 = 527,843.25/x
  3. Step 3: Cross multiply
    957,547.71x = 1,321,424.73 × 527,843.25
  4. Step 4: Simplify right side
    957,547.71x = 697,505,124,113.57
  5. Step 5: Solve for x
    x = 697,505,124,113.57/957,547.71
  6. Step 6: Final answer
    x = 728,428.59

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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.