Home / 740,240.78-1,022,443.11-535,968.27

Finding the Fourth Proportional to 740,240.78, 1,022,443.11 and 535,968.27

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Solution

The fourth proportional to 740,240.78, 1,022,443.11 and 535,968.27 is: 740,295.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,240.78 : 1,022,443.11 = 535,968.27 : x
  2. Step 2: Convert to fraction form
    740,240.78/1,022,443.11 = 535,968.27/x
  3. Step 3: Cross multiply
    740,240.78x = 1,022,443.11 × 535,968.27
  4. Step 4: Simplify right side
    740,240.78x = 547,997,064,840.12
  5. Step 5: Solve for x
    x = 547,997,064,840.12/740,240.78
  6. Step 6: Final answer
    x = 740,295.70

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1.5x scale

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.