Home / 418,821.90-577,973.70-227,834.82

Finding the Fourth Proportional to 418,821.90, 577,973.70 and 227,834.82

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Solution

The fourth proportional to 418,821.90, 577,973.70 and 227,834.82 is: 314,411.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,821.90 : 577,973.70 = 227,834.82 : x
  2. Step 2: Convert to fraction form
    418,821.90/577,973.70 = 227,834.82/x
  3. Step 3: Cross multiply
    418,821.90x = 577,973.70 × 227,834.82
  4. Step 4: Simplify right side
    418,821.90x = 131,682,533,904.23
  5. Step 5: Solve for x
    x = 131,682,533,904.23/418,821.90
  6. Step 6: Final answer
    x = 314,411.77

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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.