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Finding the Fourth Proportional to 960,404.40, 1,440,606.60 and 773,780.40

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Solution

The fourth proportional to 960,404.40, 1,440,606.60 and 773,780.40 is: 1,160,670.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,404.40 : 1,440,606.60 = 773,780.40 : x
  2. Step 2: Convert to fraction form
    960,404.40/1,440,606.60 = 773,780.40/x
  3. Step 3: Cross multiply
    960,404.40x = 1,440,606.60 × 773,780.40
  4. Step 4: Simplify right side
    960,404.40x = 1,114,713,151,190.64
  5. Step 5: Solve for x
    x = 1,114,713,151,190.64/960,404.40
  6. Step 6: Final answer
    x = 1,160,670.60

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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.