Home / 465,831.54-642,870.34-261,946.65

Finding the Fourth Proportional to 465,831.54, 642,870.34 and 261,946.65

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Solution

The fourth proportional to 465,831.54, 642,870.34 and 261,946.65 is: 361,499.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,831.54 : 642,870.34 = 261,946.65 : x
  2. Step 2: Convert to fraction form
    465,831.54/642,870.34 = 261,946.65/x
  3. Step 3: Cross multiply
    465,831.54x = 642,870.34 × 261,946.65
  4. Step 4: Simplify right side
    465,831.54x = 168,397,731,947.36
  5. Step 5: Solve for x
    x = 168,397,731,947.36/465,831.54
  6. Step 6: Final answer
    x = 361,499.21

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1.5x scale

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.