Home / 314,823.18-434,622.12-252,898.32

Finding the Fourth Proportional to 314,823.18, 434,622.12 and 252,898.32

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Solution

The fourth proportional to 314,823.18, 434,622.12 and 252,898.32 is: 349,133.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,823.18 : 434,622.12 = 252,898.32 : x
  2. Step 2: Convert to fraction form
    314,823.18/434,622.12 = 252,898.32/x
  3. Step 3: Cross multiply
    314,823.18x = 434,622.12 × 252,898.32
  4. Step 4: Simplify right side
    314,823.18x = 109,915,203,982.84
  5. Step 5: Solve for x
    x = 109,915,203,982.84/314,823.18
  6. Step 6: Final answer
    x = 349,133.14

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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.