Home / 857,954.97-1,183,977.39-470,772.93

Finding the Fourth Proportional to 857,954.97, 1,183,977.39 and 470,772.93

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Solution

The fourth proportional to 857,954.97, 1,183,977.39 and 470,772.93 is: 649,666.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,954.97 : 1,183,977.39 = 470,772.93 : x
  2. Step 2: Convert to fraction form
    857,954.97/1,183,977.39 = 470,772.93/x
  3. Step 3: Cross multiply
    857,954.97x = 1,183,977.39 × 470,772.93
  4. Step 4: Simplify right side
    857,954.97x = 557,384,499,024.17
  5. Step 5: Solve for x
    x = 557,384,499,024.17/857,954.97
  6. Step 6: Final answer
    x = 649,666.38

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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.