Home / 957,901.19-1,321,836.03-528,172.16

Finding the Fourth Proportional to 957,901.19, 1,321,836.03 and 528,172.16

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Solution

The fourth proportional to 957,901.19, 1,321,836.03 and 528,172.16 is: 728,840.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,901.19 : 1,321,836.03 = 528,172.16 : x
  2. Step 2: Convert to fraction form
    957,901.19/1,321,836.03 = 528,172.16/x
  3. Step 3: Cross multiply
    957,901.19x = 1,321,836.03 × 528,172.16
  4. Step 4: Simplify right side
    957,901.19x = 698,156,984,521.75
  5. Step 5: Solve for x
    x = 698,156,984,521.75/957,901.19
  6. Step 6: Final answer
    x = 728,840.30

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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.