Home / 467,831.30-645,606.73-252,970.85

Finding the Fourth Proportional to 467,831.30, 645,606.73 and 252,970.85

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Solution

The fourth proportional to 467,831.30, 645,606.73 and 252,970.85 is: 349,099.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,831.30 : 645,606.73 = 252,970.85 : x
  2. Step 2: Convert to fraction form
    467,831.30/645,606.73 = 252,970.85/x
  3. Step 3: Cross multiply
    467,831.30x = 645,606.73 × 252,970.85
  4. Step 4: Simplify right side
    467,831.30x = 163,319,683,253.82
  5. Step 5: Solve for x
    x = 163,319,683,253.82/467,831.30
  6. Step 6: Final answer
    x = 349,099.52

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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.