Home / 857,047.50-1,182,726.63-475,131.42

Finding the Fourth Proportional to 857,047.50, 1,182,726.63 and 475,131.42

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Solution

The fourth proportional to 857,047.50, 1,182,726.63 and 475,131.42 is: 655,681.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,047.50 : 1,182,726.63 = 475,131.42 : x
  2. Step 2: Convert to fraction form
    857,047.50/1,182,726.63 = 475,131.42/x
  3. Step 3: Cross multiply
    857,047.50x = 1,182,726.63 × 475,131.42
  4. Step 4: Simplify right side
    857,047.50x = 561,950,583,183.72
  5. Step 5: Solve for x
    x = 561,950,583,183.72/857,047.50
  6. Step 6: Final answer
    x = 655,681.96

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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.