Home / 982,945.24-1,356,316.90-553,199.72

Finding the Fourth Proportional to 982,945.24, 1,356,316.90 and 553,199.72

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Solution

The fourth proportional to 982,945.24, 1,356,316.90 and 553,199.72 is: 763,332.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,945.24 : 1,356,316.90 = 553,199.72 : x
  2. Step 2: Convert to fraction form
    982,945.24/1,356,316.90 = 553,199.72/x
  3. Step 3: Cross multiply
    982,945.24x = 1,356,316.90 × 553,199.72
  4. Step 4: Simplify right side
    982,945.24x = 750,314,129,311.27
  5. Step 5: Solve for x
    x = 750,314,129,311.27/982,945.24
  6. Step 6: Final answer
    x = 763,332.58

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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.