Home / 1,160,673.78-1,601,779.85-644,427.69

Finding the Fourth Proportional to 1,160,673.78, 1,601,779.85 and 644,427.69

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Solution

The fourth proportional to 1,160,673.78, 1,601,779.85 and 644,427.69 is: 889,337.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,673.78 : 1,601,779.85 = 644,427.69 : x
  2. Step 2: Convert to fraction form
    1,160,673.78/1,601,779.85 = 644,427.69/x
  3. Step 3: Cross multiply
    1,160,673.78x = 1,601,779.85 × 644,427.69
  4. Step 4: Simplify right side
    1,160,673.78x = 1,032,231,288,624.05
  5. Step 5: Solve for x
    x = 1,032,231,288,624.05/1,160,673.78
  6. Step 6: Final answer
    x = 889,337.99

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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.