Home / 1,038,628.73-1,555,127.93-538,942.97

Finding the Fourth Proportional to 1,038,628.73, 1,555,127.93 and 538,942.97

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Solution

The fourth proportional to 1,038,628.73, 1,555,127.93 and 538,942.97 is: 806,953.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,628.73 : 1,555,127.93 = 538,942.97 : x
  2. Step 2: Convert to fraction form
    1,038,628.73/1,555,127.93 = 538,942.97/x
  3. Step 3: Cross multiply
    1,038,628.73x = 1,555,127.93 × 538,942.97
  4. Step 4: Simplify right side
    1,038,628.73x = 838,125,254,853.80
  5. Step 5: Solve for x
    x = 838,125,254,853.80/1,038,628.73
  6. Step 6: Final answer
    x = 806,953.66

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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.