Home / 465,831.48-642,870.26-261,946.59

Finding the Fourth Proportional to 465,831.48, 642,870.26 and 261,946.59

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Solution

The fourth proportional to 465,831.48, 642,870.26 and 261,946.59 is: 361,499.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,831.48 : 642,870.26 = 261,946.59 : x
  2. Step 2: Convert to fraction form
    465,831.48/642,870.26 = 261,946.59/x
  3. Step 3: Cross multiply
    465,831.48x = 642,870.26 × 261,946.59
  4. Step 4: Simplify right side
    465,831.48x = 168,397,671,109.68
  5. Step 5: Solve for x
    x = 168,397,671,109.68/465,831.48
  6. Step 6: Final answer
    x = 361,499.12

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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.