Home / 874,871.53-1,207,322.73-472,463.53

Finding the Fourth Proportional to 874,871.53, 1,207,322.73 and 472,463.53

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Solution

The fourth proportional to 874,871.53, 1,207,322.73 and 472,463.53 is: 651,999.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,871.53 : 1,207,322.73 = 472,463.53 : x
  2. Step 2: Convert to fraction form
    874,871.53/1,207,322.73 = 472,463.53/x
  3. Step 3: Cross multiply
    874,871.53x = 1,207,322.73 × 472,463.53
  4. Step 4: Simplify right side
    874,871.53x = 570,415,958,865.04
  5. Step 5: Solve for x
    x = 570,415,958,865.04/874,871.53
  6. Step 6: Final answer
    x = 651,999.68

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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.