Home / 857,666.36-1,183,721.30-475,816.16

Finding the Fourth Proportional to 857,666.36, 1,183,721.30 and 475,816.16

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Solution

The fourth proportional to 857,666.36, 1,183,721.30 and 475,816.16 is: 656,704.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,666.36 : 1,183,721.30 = 475,816.16 : x
  2. Step 2: Convert to fraction form
    857,666.36/1,183,721.30 = 475,816.16/x
  3. Step 3: Cross multiply
    857,666.36x = 1,183,721.30 × 475,816.16
  4. Step 4: Simplify right side
    857,666.36x = 563,233,715,178.52
  5. Step 5: Solve for x
    x = 563,233,715,178.52/857,666.36
  6. Step 6: Final answer
    x = 656,704.92

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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.