Home / 798,939.72-1,197,045.54-439,411.50

Finding the Fourth Proportional to 798,939.72, 1,197,045.54 and 439,411.50

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Solution

The fourth proportional to 798,939.72, 1,197,045.54 and 439,411.50 is: 658,367.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,939.72 : 1,197,045.54 = 439,411.50 : x
  2. Step 2: Convert to fraction form
    798,939.72/1,197,045.54 = 439,411.50/x
  3. Step 3: Cross multiply
    798,939.72x = 1,197,045.54 × 439,411.50
  4. Step 4: Simplify right side
    798,939.72x = 525,995,576,299.71
  5. Step 5: Solve for x
    x = 525,995,576,299.71/798,939.72
  6. Step 6: Final answer
    x = 658,367.04

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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.