Home / 740,737.24-1,022,221.92-401,205.52

Finding the Fourth Proportional to 740,737.24, 1,022,221.92 and 401,205.52

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Solution

The fourth proportional to 740,737.24, 1,022,221.92 and 401,205.52 is: 553,666.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,737.24 : 1,022,221.92 = 401,205.52 : x
  2. Step 2: Convert to fraction form
    740,737.24/1,022,221.92 = 401,205.52/x
  3. Step 3: Cross multiply
    740,737.24x = 1,022,221.92 × 401,205.52
  4. Step 4: Simplify right side
    740,737.24x = 410,121,076,969.00
  5. Step 5: Solve for x
    x = 410,121,076,969.00/740,737.24
  6. Step 6: Final answer
    x = 553,666.07

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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.