Home / 738,685.28-1,019,324.44-416,474.58

Finding the Fourth Proportional to 738,685.28, 1,019,324.44 and 416,474.58

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Solution

The fourth proportional to 738,685.28, 1,019,324.44 and 416,474.58 is: 574,700.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,685.28 : 1,019,324.44 = 416,474.58 : x
  2. Step 2: Convert to fraction form
    738,685.28/1,019,324.44 = 416,474.58/x
  3. Step 3: Cross multiply
    738,685.28x = 1,019,324.44 × 416,474.58
  4. Step 4: Simplify right side
    738,685.28x = 424,522,718,032.74
  5. Step 5: Solve for x
    x = 424,522,718,032.74/738,685.28
  6. Step 6: Final answer
    x = 574,700.39

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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.