Home / 1,307,847.66-1,961,778.21-397,038.06

Finding the Fourth Proportional to 1,307,847.66, 1,961,778.21 and 397,038.06

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Solution

The fourth proportional to 1,307,847.66, 1,961,778.21 and 397,038.06 is: 595,559.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,847.66 : 1,961,778.21 = 397,038.06 : x
  2. Step 2: Convert to fraction form
    1,307,847.66/1,961,778.21 = 397,038.06/x
  3. Step 3: Cross multiply
    1,307,847.66x = 1,961,778.21 × 397,038.06
  4. Step 4: Simplify right side
    1,307,847.66x = 778,900,614,648.67
  5. Step 5: Solve for x
    x = 778,900,614,648.67/1,307,847.66
  6. Step 6: Final answer
    x = 595,559.13

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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.