Home / 957,480.84-1,321,307.76-527,800.94

Finding the Fourth Proportional to 957,480.84, 1,321,307.76 and 527,800.94

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Solution

The fourth proportional to 957,480.84, 1,321,307.76 and 527,800.94 is: 728,356.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,480.84 : 1,321,307.76 = 527,800.94 : x
  2. Step 2: Convert to fraction form
    957,480.84/1,321,307.76 = 527,800.94/x
  3. Step 3: Cross multiply
    957,480.84x = 1,321,307.76 × 527,800.94
  4. Step 4: Simplify right side
    957,480.84x = 697,387,477,757.29
  5. Step 5: Solve for x
    x = 697,387,477,757.29/957,480.84
  6. Step 6: Final answer
    x = 728,356.59

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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.