Home / 527,131.74-790,697.71-190,172.28

Finding the Fourth Proportional to 527,131.74, 790,697.71 and 190,172.28

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Solution

The fourth proportional to 527,131.74, 790,697.71 and 190,172.28 is: 285,258.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,131.74 : 790,697.71 = 190,172.28 : x
  2. Step 2: Convert to fraction form
    527,131.74/790,697.71 = 190,172.28/x
  3. Step 3: Cross multiply
    527,131.74x = 790,697.71 × 190,172.28
  4. Step 4: Simplify right side
    527,131.74x = 150,368,785,056.64
  5. Step 5: Solve for x
    x = 150,368,785,056.64/527,131.74
  6. Step 6: Final answer
    x = 285,258.45

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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.