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Finding the Fourth Proportional to 1,739,935.40, 2,609,903.10 and 744,607.40

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Solution

The fourth proportional to 1,739,935.40, 2,609,903.10 and 744,607.40 is: 1,116,911.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739,935.40 : 2,609,903.10 = 744,607.40 : x
  2. Step 2: Convert to fraction form
    1,739,935.40/2,609,903.10 = 744,607.40/x
  3. Step 3: Cross multiply
    1,739,935.40x = 2,609,903.10 × 744,607.40
  4. Step 4: Simplify right side
    1,739,935.40x = 1,943,353,161,542.94
  5. Step 5: Solve for x
    x = 1,943,353,161,542.94/1,739,935.40
  6. Step 6: Final answer
    x = 1,116,911.10

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Similar ratio
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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.