Home / 778,057.54-1,166,104.59-417,333.76

Finding the Fourth Proportional to 778,057.54, 1,166,104.59 and 417,333.76

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Solution

The fourth proportional to 778,057.54, 1,166,104.59 and 417,333.76 is: 625,474.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,057.54 : 1,166,104.59 = 417,333.76 : x
  2. Step 2: Convert to fraction form
    778,057.54/1,166,104.59 = 417,333.76/x
  3. Step 3: Cross multiply
    778,057.54x = 1,166,104.59 × 417,333.76
  4. Step 4: Simplify right side
    778,057.54x = 486,654,813,097.96
  5. Step 5: Solve for x
    x = 486,654,813,097.96/778,057.54
  6. Step 6: Final answer
    x = 625,474.07

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1.5x scale

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.