Home / 417,699.02-576,365.54-248,000.78

Finding the Fourth Proportional to 417,699.02, 576,365.54 and 248,000.78

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Solution

The fourth proportional to 417,699.02, 576,365.54 and 248,000.78 is: 342,205.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,699.02 : 576,365.54 = 248,000.78 : x
  2. Step 2: Convert to fraction form
    417,699.02/576,365.54 = 248,000.78/x
  3. Step 3: Cross multiply
    417,699.02x = 576,365.54 × 248,000.78
  4. Step 4: Simplify right side
    417,699.02x = 142,939,103,485.12
  5. Step 5: Solve for x
    x = 142,939,103,485.12/417,699.02
  6. Step 6: Final answer
    x = 342,205.98

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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.