Home / 738,751.52-1,019,378.88-416,475.20

Finding the Fourth Proportional to 738,751.52, 1,019,378.88 and 416,475.20

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Solution

The fourth proportional to 738,751.52, 1,019,378.88 and 416,475.20 is: 574,680.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,751.52 : 1,019,378.88 = 416,475.20 : x
  2. Step 2: Convert to fraction form
    738,751.52/1,019,378.88 = 416,475.20/x
  3. Step 3: Cross multiply
    738,751.52x = 1,019,378.88 × 416,475.20
  4. Step 4: Simplify right side
    738,751.52x = 424,546,022,923.78
  5. Step 5: Solve for x
    x = 424,546,022,923.78/738,751.52
  6. Step 6: Final answer
    x = 574,680.41

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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.