Home / 827,426.82-1,141,897.68-623,117.28

Finding the Fourth Proportional to 827,426.82, 1,141,897.68 and 623,117.28

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Solution

The fourth proportional to 827,426.82, 1,141,897.68 and 623,117.28 is: 859,938.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,426.82 : 1,141,897.68 = 623,117.28 : x
  2. Step 2: Convert to fraction form
    827,426.82/1,141,897.68 = 623,117.28/x
  3. Step 3: Cross multiply
    827,426.82x = 1,141,897.68 × 623,117.28
  4. Step 4: Simplify right side
    827,426.82x = 711,536,176,399.91
  5. Step 5: Solve for x
    x = 711,536,176,399.91/827,426.82
  6. Step 6: Final answer
    x = 859,938.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.