Home / 716,093.16-988,233.93-393,828.18

Finding the Fourth Proportional to 716,093.16, 988,233.93 and 393,828.18

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Solution

The fourth proportional to 716,093.16, 988,233.93 and 393,828.18 is: 543,496.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,093.16 : 988,233.93 = 393,828.18 : x
  2. Step 2: Convert to fraction form
    716,093.16/988,233.93 = 393,828.18/x
  3. Step 3: Cross multiply
    716,093.16x = 988,233.93 × 393,828.18
  4. Step 4: Simplify right side
    716,093.16x = 389,194,370,066.15
  5. Step 5: Solve for x
    x = 389,194,370,066.15/716,093.16
  6. Step 6: Final answer
    x = 543,496.84

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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.