Home / 546,579.09-754,280.17-304,877.32

Finding the Fourth Proportional to 546,579.09, 754,280.17 and 304,877.32

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Solution

The fourth proportional to 546,579.09, 754,280.17 and 304,877.32 is: 420,731.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,579.09 : 754,280.17 = 304,877.32 : x
  2. Step 2: Convert to fraction form
    546,579.09/754,280.17 = 304,877.32/x
  3. Step 3: Cross multiply
    546,579.09x = 754,280.17 × 304,877.32
  4. Step 4: Simplify right side
    546,579.09x = 229,962,914,110.85
  5. Step 5: Solve for x
    x = 229,962,914,110.85/546,579.09
  6. Step 6: Final answer
    x = 420,731.27

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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.