Home / 766,818.06-1,058,204.20-417,958.08

Finding the Fourth Proportional to 766,818.06, 1,058,204.20 and 417,958.08

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Solution

The fourth proportional to 766,818.06, 1,058,204.20 and 417,958.08 is: 576,779.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,818.06 : 1,058,204.20 = 417,958.08 : x
  2. Step 2: Convert to fraction form
    766,818.06/1,058,204.20 = 417,958.08/x
  3. Step 3: Cross multiply
    766,818.06x = 1,058,204.20 × 417,958.08
  4. Step 4: Simplify right side
    766,818.06x = 442,284,991,450.45
  5. Step 5: Solve for x
    x = 442,284,991,450.45/766,818.06
  6. Step 6: Final answer
    x = 576,779.57

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1.5x scale

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.