Home / 957,941.80-1,321,968.90-528,237.16

Finding the Fourth Proportional to 957,941.80, 1,321,968.90 and 528,237.16

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Solution

The fourth proportional to 957,941.80, 1,321,968.90 and 528,237.16 is: 728,972.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,941.80 : 1,321,968.90 = 528,237.16 : x
  2. Step 2: Convert to fraction form
    957,941.80/1,321,968.90 = 528,237.16/x
  3. Step 3: Cross multiply
    957,941.80x = 1,321,968.90 × 528,237.16
  4. Step 4: Simplify right side
    957,941.80x = 698,313,097,344.32
  5. Step 5: Solve for x
    x = 698,313,097,344.32/957,941.80
  6. Step 6: Final answer
    x = 728,972.36

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Double scale
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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.