Home / 1,071,359.85-1,478,494.74-587,969.98

Finding the Fourth Proportional to 1,071,359.85, 1,478,494.74 and 587,969.98

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Solution

The fourth proportional to 1,071,359.85, 1,478,494.74 and 587,969.98 is: 811,408.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,359.85 : 1,478,494.74 = 587,969.98 : x
  2. Step 2: Convert to fraction form
    1,071,359.85/1,478,494.74 = 587,969.98/x
  3. Step 3: Cross multiply
    1,071,359.85x = 1,478,494.74 × 587,969.98
  4. Step 4: Simplify right side
    1,071,359.85x = 869,310,522,707.91
  5. Step 5: Solve for x
    x = 869,310,522,707.91/1,071,359.85
  6. Step 6: Final answer
    x = 811,408.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.