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Finding the Fourth Proportional to 1,771,803.90, 2,657,705.85 and 1,022,975.10

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Solution

The fourth proportional to 1,771,803.90, 2,657,705.85 and 1,022,975.10 is: 1,534,462.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,803.90 : 2,657,705.85 = 1,022,975.10 : x
  2. Step 2: Convert to fraction form
    1,771,803.90/2,657,705.85 = 1,022,975.10/x
  3. Step 3: Cross multiply
    1,771,803.90x = 2,657,705.85 × 1,022,975.10
  4. Step 4: Simplify right side
    1,771,803.90x = 2,718,766,907,674.34
  5. Step 5: Solve for x
    x = 2,718,766,907,674.34/1,771,803.90
  6. Step 6: Final answer
    x = 1,534,462.65

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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.