Home / 957,525.47-1,321,384.82-527,812.78

Finding the Fourth Proportional to 957,525.47, 1,321,384.82 and 527,812.78

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Solution

The fourth proportional to 957,525.47, 1,321,384.82 and 527,812.78 is: 728,381.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,525.47 : 1,321,384.82 = 527,812.78 : x
  2. Step 2: Convert to fraction form
    957,525.47/1,321,384.82 = 527,812.78/x
  3. Step 3: Cross multiply
    957,525.47x = 1,321,384.82 × 527,812.78
  4. Step 4: Simplify right side
    957,525.47x = 697,443,795,294.00
  5. Step 5: Solve for x
    x = 697,443,795,294.00/957,525.47
  6. Step 6: Final answer
    x = 728,381.46

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1.5x scale

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.