Home / 628,284.40-941,812.20-253,807.60

Finding the Fourth Proportional to 628,284.40, 941,812.20 and 253,807.60

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Solution

The fourth proportional to 628,284.40, 941,812.20 and 253,807.60 is: 380,463.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,284.40 : 941,812.20 = 253,807.60 : x
  2. Step 2: Convert to fraction form
    628,284.40/941,812.20 = 253,807.60/x
  3. Step 3: Cross multiply
    628,284.40x = 941,812.20 × 253,807.60
  4. Step 4: Simplify right side
    628,284.40x = 239,039,094,132.72
  5. Step 5: Solve for x
    x = 239,039,094,132.72/628,284.40
  6. Step 6: Final answer
    x = 380,463.20

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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.