Home / 973,809.49-1,343,926.64-538,217.47

Finding the Fourth Proportional to 973,809.49, 1,343,926.64 and 538,217.47

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Solution

The fourth proportional to 973,809.49, 1,343,926.64 and 538,217.47 is: 742,778.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,809.49 : 1,343,926.64 = 538,217.47 : x
  2. Step 2: Convert to fraction form
    973,809.49/1,343,926.64 = 538,217.47/x
  3. Step 3: Cross multiply
    973,809.49x = 1,343,926.64 × 538,217.47
  4. Step 4: Simplify right side
    973,809.49x = 723,324,792,013.81
  5. Step 5: Solve for x
    x = 723,324,792,013.81/973,809.49
  6. Step 6: Final answer
    x = 742,778.54

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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.