Home / 689,669.73-951,601.59-403,134.39

Finding the Fourth Proportional to 689,669.73, 951,601.59 and 403,134.39

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Solution

The fourth proportional to 689,669.73, 951,601.59 and 403,134.39 is: 556,242.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,669.73 : 951,601.59 = 403,134.39 : x
  2. Step 2: Convert to fraction form
    689,669.73/951,601.59 = 403,134.39/x
  3. Step 3: Cross multiply
    689,669.73x = 951,601.59 × 403,134.39
  4. Step 4: Simplify right side
    689,669.73x = 383,623,326,507.68
  5. Step 5: Solve for x
    x = 383,623,326,507.68/689,669.73
  6. Step 6: Final answer
    x = 556,242.08

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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.