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Finding the Fourth Proportional to 935,774.80, 1,403,662.20 and 837,797.20

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Solution

The fourth proportional to 935,774.80, 1,403,662.20 and 837,797.20 is: 1,256,695.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,774.80 : 1,403,662.20 = 837,797.20 : x
  2. Step 2: Convert to fraction form
    935,774.80/1,403,662.20 = 837,797.20/x
  3. Step 3: Cross multiply
    935,774.80x = 1,403,662.20 × 837,797.20
  4. Step 4: Simplify right side
    935,774.80x = 1,175,984,260,905.84
  5. Step 5: Solve for x
    x = 1,175,984,260,905.84/935,774.80
  6. Step 6: Final answer
    x = 1,256,695.80

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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.