Home / 403,043.10-556,279.02-231,076.60

Finding the Fourth Proportional to 403,043.10, 556,279.02 and 231,076.60

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Solution

The fourth proportional to 403,043.10, 556,279.02 and 231,076.60 is: 318,931.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,043.10 : 556,279.02 = 231,076.60 : x
  2. Step 2: Convert to fraction form
    403,043.10/556,279.02 = 231,076.60/x
  3. Step 3: Cross multiply
    403,043.10x = 556,279.02 × 231,076.60
  4. Step 4: Simplify right side
    403,043.10x = 128,543,064,592.93
  5. Step 5: Solve for x
    x = 128,543,064,592.93/403,043.10
  6. Step 6: Final answer
    x = 318,931.31

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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.