Home / 418,150.71-577,050.26-257,110.97

Finding the Fourth Proportional to 418,150.71, 577,050.26 and 257,110.97

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Solution

The fourth proportional to 418,150.71, 577,050.26 and 257,110.97 is: 354,814.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,150.71 : 577,050.26 = 257,110.97 : x
  2. Step 2: Convert to fraction form
    418,150.71/577,050.26 = 257,110.97/x
  3. Step 3: Cross multiply
    418,150.71x = 577,050.26 × 257,110.97
  4. Step 4: Simplify right side
    418,150.71x = 148,365,947,916.55
  5. Step 5: Solve for x
    x = 148,365,947,916.55/418,150.71
  6. Step 6: Final answer
    x = 354,814.53

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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.