Home / 486,683.76-671,616.45-271,826.81

Finding the Fourth Proportional to 486,683.76, 671,616.45 and 271,826.81

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Solution

The fourth proportional to 486,683.76, 671,616.45 and 271,826.81 is: 375,117.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,683.76 : 671,616.45 = 271,826.81 : x
  2. Step 2: Convert to fraction form
    486,683.76/671,616.45 = 271,826.81/x
  3. Step 3: Cross multiply
    486,683.76x = 671,616.45 × 271,826.81
  4. Step 4: Simplify right side
    486,683.76x = 182,563,353,788.94
  5. Step 5: Solve for x
    x = 182,563,353,788.94/486,683.76
  6. Step 6: Final answer
    x = 375,117.00

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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.