Home / 418,140.42-577,038.70-227,156.82

Finding the Fourth Proportional to 418,140.42, 577,038.70 and 227,156.82

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Solution

The fourth proportional to 418,140.42, 577,038.70 and 227,156.82 is: 313,479.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,140.42 : 577,038.70 = 227,156.82 : x
  2. Step 2: Convert to fraction form
    418,140.42/577,038.70 = 227,156.82/x
  3. Step 3: Cross multiply
    418,140.42x = 577,038.70 × 227,156.82
  4. Step 4: Simplify right side
    418,140.42x = 131,078,276,108.93
  5. Step 5: Solve for x
    x = 131,078,276,108.93/418,140.42
  6. Step 6: Final answer
    x = 313,479.08

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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.