Home / 931,241.15-1,396,566.47-398,619.17

Finding the Fourth Proportional to 931,241.15, 1,396,566.47 and 398,619.17

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Solution

The fourth proportional to 931,241.15, 1,396,566.47 and 398,619.17 is: 597,802.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,241.15 : 1,396,566.47 = 398,619.17 : x
  2. Step 2: Convert to fraction form
    931,241.15/1,396,566.47 = 398,619.17/x
  3. Step 3: Cross multiply
    931,241.15x = 1,396,566.47 × 398,619.17
  4. Step 4: Simplify right side
    931,241.15x = 556,698,161,134.95
  5. Step 5: Solve for x
    x = 556,698,161,134.95/931,241.15
  6. Step 6: Final answer
    x = 597,802.37

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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.