Home / 1,103,334.32-1,655,131.08-393,463.28

Finding the Fourth Proportional to 1,103,334.32, 1,655,131.08 and 393,463.28

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Solution

The fourth proportional to 1,103,334.32, 1,655,131.08 and 393,463.28 is: 590,241.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,103,334.32 : 1,655,131.08 = 393,463.28 : x
  2. Step 2: Convert to fraction form
    1,103,334.32/1,655,131.08 = 393,463.28/x
  3. Step 3: Cross multiply
    1,103,334.32x = 1,655,131.08 × 393,463.28
  4. Step 4: Simplify right side
    1,103,334.32x = 651,233,303,566.74
  5. Step 5: Solve for x
    x = 651,233,303,566.74/1,103,334.32
  6. Step 6: Final answer
    x = 590,241.14

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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.