Home / 738,694.28-1,019,336.86-416,483.60

Finding the Fourth Proportional to 738,694.28, 1,019,336.86 and 416,483.60

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Solution

The fourth proportional to 738,694.28, 1,019,336.86 and 416,483.60 is: 574,712.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,694.28 : 1,019,336.86 = 416,483.60 : x
  2. Step 2: Convert to fraction form
    738,694.28/1,019,336.86 = 416,483.60/x
  3. Step 3: Cross multiply
    738,694.28x = 1,019,336.86 × 416,483.60
  4. Step 4: Simplify right side
    738,694.28x = 424,537,085,065.50
  5. Step 5: Solve for x
    x = 424,537,085,065.50/738,694.28
  6. Step 6: Final answer
    x = 574,712.84

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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.