Home / 882,424.89-1,217,722.71-500,443.47

Finding the Fourth Proportional to 882,424.89, 1,217,722.71 and 500,443.47

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Solution

The fourth proportional to 882,424.89, 1,217,722.71 and 500,443.47 is: 690,598.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,424.89 : 1,217,722.71 = 500,443.47 : x
  2. Step 2: Convert to fraction form
    882,424.89/1,217,722.71 = 500,443.47/x
  3. Step 3: Cross multiply
    882,424.89x = 1,217,722.71 × 500,443.47
  4. Step 4: Simplify right side
    882,424.89x = 609,401,378,490.20
  5. Step 5: Solve for x
    x = 609,401,378,490.20/882,424.89
  6. Step 6: Final answer
    x = 690,598.58

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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.