Home / 1,947,715.10-2,921,572.80-527,771.22

Finding the Fourth Proportional to 1,947,715.10, 2,921,572.80 and 527,771.22

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Solution

The fourth proportional to 1,947,715.10, 2,921,572.80 and 527,771.22 is: 791,656.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,715.10 : 2,921,572.80 = 527,771.22 : x
  2. Step 2: Convert to fraction form
    1,947,715.10/2,921,572.80 = 527,771.22/x
  3. Step 3: Cross multiply
    1,947,715.10x = 2,921,572.80 × 527,771.22
  4. Step 4: Simplify right side
    1,947,715.10x = 1,541,922,040,974.82
  5. Step 5: Solve for x
    x = 1,541,922,040,974.82/1,947,715.10
  6. Step 6: Final answer
    x = 791,656.87

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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.