Home / 738,528.38-1,107,792.90-233,140.55

Finding the Fourth Proportional to 738,528.38, 1,107,792.90 and 233,140.55

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Solution

The fourth proportional to 738,528.38, 1,107,792.90 and 233,140.55 is: 349,710.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,528.38 : 1,107,792.90 = 233,140.55 : x
  2. Step 2: Convert to fraction form
    738,528.38/1,107,792.90 = 233,140.55/x
  3. Step 3: Cross multiply
    738,528.38x = 1,107,792.90 × 233,140.55
  4. Step 4: Simplify right side
    738,528.38x = 258,271,448,761.58
  5. Step 5: Solve for x
    x = 258,271,448,761.58/738,528.38
  6. Step 6: Final answer
    x = 349,710.94

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.