Home / 403,927.02-557,419.32-234,259.56

Finding the Fourth Proportional to 403,927.02, 557,419.32 and 234,259.56

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Solution

The fourth proportional to 403,927.02, 557,419.32 and 234,259.56 is: 323,278.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,927.02 : 557,419.32 = 234,259.56 : x
  2. Step 2: Convert to fraction form
    403,927.02/557,419.32 = 234,259.56/x
  3. Step 3: Cross multiply
    403,927.02x = 557,419.32 × 234,259.56
  4. Step 4: Simplify right side
    403,927.02x = 130,580,804,638.70
  5. Step 5: Solve for x
    x = 130,580,804,638.70/403,927.02
  6. Step 6: Final answer
    x = 323,278.21

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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.