Home / 910,440.40-1,365,660.60-627,005.20

Finding the Fourth Proportional to 910,440.40, 1,365,660.60 and 627,005.20

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Solution

The fourth proportional to 910,440.40, 1,365,660.60 and 627,005.20 is: 940,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,440.40 : 1,365,660.60 = 627,005.20 : x
  2. Step 2: Convert to fraction form
    910,440.40/1,365,660.60 = 627,005.20/x
  3. Step 3: Cross multiply
    910,440.40x = 1,365,660.60 × 627,005.20
  4. Step 4: Simplify right side
    910,440.40x = 856,276,297,635.12
  5. Step 5: Solve for x
    x = 856,276,297,635.12/910,440.40
  6. Step 6: Final answer
    x = 940,507.80

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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.