Home / 876,831.48-1,314,457.38-315,471

Finding the Fourth Proportional to 876,831.48, 1,314,457.38 and 315,471

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Solution

The fourth proportional to 876,831.48, 1,314,457.38 and 315,471 is: 472,922.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,831.48 : 1,314,457.38 = 315,471 : x
  2. Step 2: Convert to fraction form
    876,831.48/1,314,457.38 = 315,471/x
  3. Step 3: Cross multiply
    876,831.48x = 1,314,457.38 × 315,471
  4. Step 4: Simplify right side
    876,831.48x = 414,673,184,125.98
  5. Step 5: Solve for x
    x = 414,673,184,125.98/876,831.48
  6. Step 6: Final answer
    x = 472,922.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.