Home / 738,506.76-1,019,479.50-432,540.60

Finding the Fourth Proportional to 738,506.76, 1,019,479.50 and 432,540.60

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Solution

The fourth proportional to 738,506.76, 1,019,479.50 and 432,540.60 is: 597,105.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,506.76 : 1,019,479.50 = 432,540.60 : x
  2. Step 2: Convert to fraction form
    738,506.76/1,019,479.50 = 432,540.60/x
  3. Step 3: Cross multiply
    738,506.76x = 1,019,479.50 × 432,540.60
  4. Step 4: Simplify right side
    738,506.76x = 440,966,274,617.70
  5. Step 5: Solve for x
    x = 440,966,274,617.70/738,506.76
  6. Step 6: Final answer
    x = 597,105.26

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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.