Home / 1,279,597.19-1,920,576.77-648,953.87

Finding the Fourth Proportional to 1,279,597.19, 1,920,576.77 and 648,953.87

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Solution

The fourth proportional to 1,279,597.19, 1,920,576.77 and 648,953.87 is: 974,029.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,597.19 : 1,920,576.77 = 648,953.87 : x
  2. Step 2: Convert to fraction form
    1,279,597.19/1,920,576.77 = 648,953.87/x
  3. Step 3: Cross multiply
    1,279,597.19x = 1,920,576.77 × 648,953.87
  4. Step 4: Simplify right side
    1,279,597.19x = 1,246,365,724,278.83
  5. Step 5: Solve for x
    x = 1,246,365,724,278.83/1,279,597.19
  6. Step 6: Final answer
    x = 974,029.74

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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.