Home / 670,910.43-1,006,161.51-191,177.40

Finding the Fourth Proportional to 670,910.43, 1,006,161.51 and 191,177.40

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Solution

The fourth proportional to 670,910.43, 1,006,161.51 and 191,177.40 is: 286,707.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,910.43 : 1,006,161.51 = 191,177.40 : x
  2. Step 2: Convert to fraction form
    670,910.43/1,006,161.51 = 191,177.40/x
  3. Step 3: Cross multiply
    670,910.43x = 1,006,161.51 × 191,177.40
  4. Step 4: Simplify right side
    670,910.43x = 192,355,341,461.87
  5. Step 5: Solve for x
    x = 192,355,341,461.87/670,910.43
  6. Step 6: Final answer
    x = 286,707.93

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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.