Home / 1,293,818.94-1,939,937.85-620,106.30

Finding the Fourth Proportional to 1,293,818.94, 1,939,937.85 and 620,106.30

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Solution

The fourth proportional to 1,293,818.94, 1,939,937.85 and 620,106.30 is: 929,780.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,818.94 : 1,939,937.85 = 620,106.30 : x
  2. Step 2: Convert to fraction form
    1,293,818.94/1,939,937.85 = 620,106.30/x
  3. Step 3: Cross multiply
    1,293,818.94x = 1,939,937.85 × 620,106.30
  4. Step 4: Simplify right side
    1,293,818.94x = 1,202,967,682,393.46
  5. Step 5: Solve for x
    x = 1,202,967,682,393.46/1,293,818.94
  6. Step 6: Final answer
    x = 929,780.55

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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.