Home / 541,821.09-812,785.10-186,788.37

Finding the Fourth Proportional to 541,821.09, 812,785.10 and 186,788.37

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Solution

The fourth proportional to 541,821.09, 812,785.10 and 186,788.37 is: 280,200.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,821.09 : 812,785.10 = 186,788.37 : x
  2. Step 2: Convert to fraction form
    541,821.09/812,785.10 = 186,788.37/x
  3. Step 3: Cross multiply
    541,821.09x = 812,785.10 × 186,788.37
  4. Step 4: Simplify right side
    541,821.09x = 151,818,803,055.35
  5. Step 5: Solve for x
    x = 151,818,803,055.35/541,821.09
  6. Step 6: Final answer
    x = 280,200.98

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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.