Home / 1,226,826.71-1,838,747.95-656,807.03

Finding the Fourth Proportional to 1,226,826.71, 1,838,747.95 and 656,807.03

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Solution

The fourth proportional to 1,226,826.71, 1,838,747.95 and 656,807.03 is: 984,411.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,826.71 : 1,838,747.95 = 656,807.03 : x
  2. Step 2: Convert to fraction form
    1,226,826.71/1,838,747.95 = 656,807.03/x
  3. Step 3: Cross multiply
    1,226,826.71x = 1,838,747.95 × 656,807.03
  4. Step 4: Simplify right side
    1,226,826.71x = 1,207,702,579,958.09
  5. Step 5: Solve for x
    x = 1,207,702,579,958.09/1,226,826.71
  6. Step 6: Final answer
    x = 984,411.71

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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.