Home / 6,475,408.70-9,713,113.05-3,290,359.10

Finding the Fourth Proportional to 6,475,408.70, 9,713,113.05 and 3,290,359.10

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Solution

The fourth proportional to 6,475,408.70, 9,713,113.05 and 3,290,359.10 is: 4,935,538.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475,408.70 : 9,713,113.05 = 3,290,359.10 : x
  2. Step 2: Convert to fraction form
    6,475,408.70/9,713,113.05 = 3,290,359.10/x
  3. Step 3: Cross multiply
    6,475,408.70x = 9,713,113.05 × 3,290,359.10
  4. Step 4: Simplify right side
    6,475,408.70x = 31,959,629,913,396.26
  5. Step 5: Solve for x
    x = 31,959,629,913,396.26/6,475,408.70
  6. Step 6: Final answer
    x = 4,935,538.65

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Double scale
Find fourth proportional to 6,475,409.70, 9,713,114.55 and 3,290,360.10
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.