Home / 857,897.12-1,183,899.43-475,923.90

Finding the Fourth Proportional to 857,897.12, 1,183,899.43 and 475,923.90

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Solution

The fourth proportional to 857,897.12, 1,183,899.43 and 475,923.90 is: 656,775.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,897.12 : 1,183,899.43 = 475,923.90 : x
  2. Step 2: Convert to fraction form
    857,897.12/1,183,899.43 = 475,923.90/x
  3. Step 3: Cross multiply
    857,897.12x = 1,183,899.43 × 475,923.90
  4. Step 4: Simplify right side
    857,897.12x = 563,446,031,553.76
  5. Step 5: Solve for x
    x = 563,446,031,553.76/857,897.12
  6. Step 6: Final answer
    x = 656,775.76

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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.