Home / 501,538.02-692,122.38-286,682.69

Finding the Fourth Proportional to 501,538.02, 692,122.38 and 286,682.69

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Solution

The fourth proportional to 501,538.02, 692,122.38 and 286,682.69 is: 395,622.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,538.02 : 692,122.38 = 286,682.69 : x
  2. Step 2: Convert to fraction form
    501,538.02/692,122.38 = 286,682.69/x
  3. Step 3: Cross multiply
    501,538.02x = 692,122.38 × 286,682.69
  4. Step 4: Simplify right side
    501,538.02x = 198,419,505,707.60
  5. Step 5: Solve for x
    x = 198,419,505,707.60/501,538.02
  6. Step 6: Final answer
    x = 395,622.06

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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.