Home / 450,458.88-674,342.16-272,427.36

Finding the Fourth Proportional to 450,458.88, 674,342.16 and 272,427.36

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Solution

The fourth proportional to 450,458.88, 674,342.16 and 272,427.36 is: 407,826.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,458.88 : 674,342.16 = 272,427.36 : x
  2. Step 2: Convert to fraction form
    450,458.88/674,342.16 = 272,427.36/x
  3. Step 3: Cross multiply
    450,458.88x = 674,342.16 × 272,427.36
  4. Step 4: Simplify right side
    450,458.88x = 183,709,254,385.50
  5. Step 5: Solve for x
    x = 183,709,254,385.50/450,458.88
  6. Step 6: Final answer
    x = 407,826.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.