Home / 524,706.45-787,225.07-398,948.46

Finding the Fourth Proportional to 524,706.45, 787,225.07 and 398,948.46

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Solution

The fourth proportional to 524,706.45, 787,225.07 and 398,948.46 is: 598,548.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,706.45 : 787,225.07 = 398,948.46 : x
  2. Step 2: Convert to fraction form
    524,706.45/787,225.07 = 398,948.46/x
  3. Step 3: Cross multiply
    524,706.45x = 787,225.07 × 398,948.46
  4. Step 4: Simplify right side
    524,706.45x = 314,062,229,349.89
  5. Step 5: Solve for x
    x = 314,062,229,349.89/524,706.45
  6. Step 6: Final answer
    x = 598,548.44

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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.