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Finding the Fourth Proportional to 1,107,416.60, 1,551,433 and 1,107,416.60

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Solution

The fourth proportional to 1,107,416.60, 1,551,433 and 1,107,416.60 is: 1,551,433

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,416.60 : 1,551,433 = 1,107,416.60 : x
  2. Step 2: Convert to fraction form
    1,107,416.60/1,551,433 = 1,107,416.60/x
  3. Step 3: Cross multiply
    1,107,416.60x = 1,551,433 × 1,107,416.60
  4. Step 4: Simplify right side
    1,107,416.60x = 1,718,082,657,987.80
  5. Step 5: Solve for x
    x = 1,718,082,657,987.80/1,107,416.60
  6. Step 6: Final answer
    x = 1,551,433

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.