Home / 857,935.05-1,183,910.73-470,740.83

Finding the Fourth Proportional to 857,935.05, 1,183,910.73 and 470,740.83

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Solution

The fourth proportional to 857,935.05, 1,183,910.73 and 470,740.83 is: 649,600.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,935.05 : 1,183,910.73 = 470,740.83 : x
  2. Step 2: Convert to fraction form
    857,935.05/1,183,910.73 = 470,740.83/x
  3. Step 3: Cross multiply
    857,935.05x = 1,183,910.73 × 470,740.83
  4. Step 4: Simplify right side
    857,935.05x = 557,315,119,686.11
  5. Step 5: Solve for x
    x = 557,315,119,686.11/857,935.05
  6. Step 6: Final answer
    x = 649,600.60

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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.