Home / 1,913,208.63-2,870,217.72-633,743.61

Finding the Fourth Proportional to 1,913,208.63, 2,870,217.72 and 633,743.61

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Solution

The fourth proportional to 1,913,208.63, 2,870,217.72 and 633,743.61 is: 950,749.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,208.63 : 2,870,217.72 = 633,743.61 : x
  2. Step 2: Convert to fraction form
    1,913,208.63/2,870,217.72 = 633,743.61/x
  3. Step 3: Cross multiply
    1,913,208.63x = 2,870,217.72 × 633,743.61
  4. Step 4: Simplify right side
    1,913,208.63x = 1,818,982,139,358.77
  5. Step 5: Solve for x
    x = 1,818,982,139,358.77/1,913,208.63
  6. Step 6: Final answer
    x = 950,749.50

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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.