Home / 468,721.02-646,831.77-253,856.16

Finding the Fourth Proportional to 468,721.02, 646,831.77 and 253,856.16

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Solution

The fourth proportional to 468,721.02, 646,831.77 and 253,856.16 is: 350,319.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,721.02 : 646,831.77 = 253,856.16 : x
  2. Step 2: Convert to fraction form
    468,721.02/646,831.77 = 253,856.16/x
  3. Step 3: Cross multiply
    468,721.02x = 646,831.77 × 253,856.16
  4. Step 4: Simplify right side
    468,721.02x = 164,202,229,298.20
  5. Step 5: Solve for x
    x = 164,202,229,298.20/468,721.02
  6. Step 6: Final answer
    x = 350,319.75

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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.