Home / 541,669.21-812,129.29-237,916.78

Finding the Fourth Proportional to 541,669.21, 812,129.29 and 237,916.78

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Solution

The fourth proportional to 541,669.21, 812,129.29 and 237,916.78 is: 356,710.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,669.21 : 812,129.29 = 237,916.78 : x
  2. Step 2: Convert to fraction form
    541,669.21/812,129.29 = 237,916.78/x
  3. Step 3: Cross multiply
    541,669.21x = 812,129.29 × 237,916.78
  4. Step 4: Simplify right side
    541,669.21x = 193,219,182,995.37
  5. Step 5: Solve for x
    x = 193,219,182,995.37/541,669.21
  6. Step 6: Final answer
    x = 356,710.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.