Home / 671,113.61-1,006,828.06-221,834.49

Finding the Fourth Proportional to 671,113.61, 1,006,828.06 and 221,834.49

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Solution

The fourth proportional to 671,113.61, 1,006,828.06 and 221,834.49 is: 332,803.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,113.61 : 1,006,828.06 = 221,834.49 : x
  2. Step 2: Convert to fraction form
    671,113.61/1,006,828.06 = 221,834.49/x
  3. Step 3: Cross multiply
    671,113.61x = 1,006,828.06 × 221,834.49
  4. Step 4: Simplify right side
    671,113.61x = 223,349,189,207.79
  5. Step 5: Solve for x
    x = 223,349,189,207.79/671,113.61
  6. Step 6: Final answer
    x = 332,803.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.