Home / 997,810.56-1,377,178.92-653,050.50

Finding the Fourth Proportional to 997,810.56, 1,377,178.92 and 653,050.50

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Solution

The fourth proportional to 997,810.56, 1,377,178.92 and 653,050.50 is: 901,340.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,810.56 : 1,377,178.92 = 653,050.50 : x
  2. Step 2: Convert to fraction form
    997,810.56/1,377,178.92 = 653,050.50/x
  3. Step 3: Cross multiply
    997,810.56x = 1,377,178.92 × 653,050.50
  4. Step 4: Simplify right side
    997,810.56x = 899,367,382,295.46
  5. Step 5: Solve for x
    x = 899,367,382,295.46/997,810.56
  6. Step 6: Final answer
    x = 901,340.81

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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.