Home / 1,257,302.16-1,885,906.80-547,331.76

Finding the Fourth Proportional to 1,257,302.16, 1,885,906.80 and 547,331.76

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Solution

The fourth proportional to 1,257,302.16, 1,885,906.80 and 547,331.76 is: 820,977.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,302.16 : 1,885,906.80 = 547,331.76 : x
  2. Step 2: Convert to fraction form
    1,257,302.16/1,885,906.80 = 547,331.76/x
  3. Step 3: Cross multiply
    1,257,302.16x = 1,885,906.80 × 547,331.76
  4. Step 4: Simplify right side
    1,257,302.16x = 1,032,216,688,039.97
  5. Step 5: Solve for x
    x = 1,032,216,688,039.97/1,257,302.16
  6. Step 6: Final answer
    x = 820,977.42

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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.