Home / 982,939.53-1,356,500.21-553,247.49

Finding the Fourth Proportional to 982,939.53, 1,356,500.21 and 553,247.49

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Solution

The fourth proportional to 982,939.53, 1,356,500.21 and 553,247.49 is: 763,506.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,939.53 : 1,356,500.21 = 553,247.49 : x
  2. Step 2: Convert to fraction form
    982,939.53/1,356,500.21 = 553,247.49/x
  3. Step 3: Cross multiply
    982,939.53x = 1,356,500.21 × 553,247.49
  4. Step 4: Simplify right side
    982,939.53x = 750,480,333,600.74
  5. Step 5: Solve for x
    x = 750,480,333,600.74/982,939.53
  6. Step 6: Final answer
    x = 763,506.11

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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.