Home / 418,731.84-577,852.64-227,746.56

Finding the Fourth Proportional to 418,731.84, 577,852.64 and 227,746.56

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Solution

The fourth proportional to 418,731.84, 577,852.64 and 227,746.56 is: 314,291.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,731.84 : 577,852.64 = 227,746.56 : x
  2. Step 2: Convert to fraction form
    418,731.84/577,852.64 = 227,746.56/x
  3. Step 3: Cross multiply
    418,731.84x = 577,852.64 × 227,746.56
  4. Step 4: Simplify right side
    418,731.84x = 131,603,950,946.92
  5. Step 5: Solve for x
    x = 131,603,950,946.92/418,731.84
  6. Step 6: Final answer
    x = 314,291.72

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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.