Home / 518,981.50-778,821.63-182,025.28

Finding the Fourth Proportional to 518,981.50, 778,821.63 and 182,025.28

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Solution

The fourth proportional to 518,981.50, 778,821.63 and 182,025.28 is: 273,160.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,981.50 : 778,821.63 = 182,025.28 : x
  2. Step 2: Convert to fraction form
    518,981.50/778,821.63 = 182,025.28/x
  3. Step 3: Cross multiply
    518,981.50x = 778,821.63 × 182,025.28
  4. Step 4: Simplify right side
    518,981.50x = 141,765,225,270.81
  5. Step 5: Solve for x
    x = 141,765,225,270.81/518,981.50
  6. Step 6: Final answer
    x = 273,160.46

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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.