Home / 734,121.40-1,101,182.10-510,172.60

Finding the Fourth Proportional to 734,121.40, 1,101,182.10 and 510,172.60

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Solution

The fourth proportional to 734,121.40, 1,101,182.10 and 510,172.60 is: 765,258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,121.40 : 1,101,182.10 = 510,172.60 : x
  2. Step 2: Convert to fraction form
    734,121.40/1,101,182.10 = 510,172.60/x
  3. Step 3: Cross multiply
    734,121.40x = 1,101,182.10 × 510,172.60
  4. Step 4: Simplify right side
    734,121.40x = 561,792,935,030.46
  5. Step 5: Solve for x
    x = 561,792,935,030.46/734,121.40
  6. Step 6: Final answer
    x = 765,258.90

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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.