Home / 469,985.11-646,085.56-404,334.11

Finding the Fourth Proportional to 469,985.11, 646,085.56 and 404,334.11

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Solution

The fourth proportional to 469,985.11, 646,085.56 and 404,334.11 is: 555,835.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,985.11 : 646,085.56 = 404,334.11 : x
  2. Step 2: Convert to fraction form
    469,985.11/646,085.56 = 404,334.11/x
  3. Step 3: Cross multiply
    469,985.11x = 646,085.56 × 404,334.11
  4. Step 4: Simplify right side
    469,985.11x = 261,234,426,656.02
  5. Step 5: Solve for x
    x = 261,234,426,656.02/469,985.11
  6. Step 6: Final answer
    x = 555,835.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.