Home / 959,538.75-1,324,280.12-557,130.75

Finding the Fourth Proportional to 959,538.75, 1,324,280.12 and 557,130.75

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Solution

The fourth proportional to 959,538.75, 1,324,280.12 and 557,130.75 is: 768,908.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,538.75 : 1,324,280.12 = 557,130.75 : x
  2. Step 2: Convert to fraction form
    959,538.75/1,324,280.12 = 557,130.75/x
  3. Step 3: Cross multiply
    959,538.75x = 1,324,280.12 × 557,130.75
  4. Step 4: Simplify right side
    959,538.75x = 737,797,173,680.04
  5. Step 5: Solve for x
    x = 737,797,173,680.04/959,538.75
  6. Step 6: Final answer
    x = 768,908.16

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Double scale
Find fourth proportional to 959,539.75, 1,324,281.50 and 557,131.75
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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.