Home / 469,622.75-648,079.40-268,423.07

Finding the Fourth Proportional to 469,622.75, 648,079.40 and 268,423.07

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Solution

The fourth proportional to 469,622.75, 648,079.40 and 268,423.07 is: 370,423.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,622.75 : 648,079.40 = 268,423.07 : x
  2. Step 2: Convert to fraction form
    469,622.75/648,079.40 = 268,423.07/x
  3. Step 3: Cross multiply
    469,622.75x = 648,079.40 × 268,423.07
  4. Step 4: Simplify right side
    469,622.75x = 173,959,460,809.64
  5. Step 5: Solve for x
    x = 173,959,460,809.64/469,622.75
  6. Step 6: Final answer
    x = 370,423.84

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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.