Home / 965,400.67-1,332,262.10-535,720.79

Finding the Fourth Proportional to 965,400.67, 1,332,262.10 and 535,720.79

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Solution

The fourth proportional to 965,400.67, 1,332,262.10 and 535,720.79 is: 739,299.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,400.67 : 1,332,262.10 = 535,720.79 : x
  2. Step 2: Convert to fraction form
    965,400.67/1,332,262.10 = 535,720.79/x
  3. Step 3: Cross multiply
    965,400.67x = 1,332,262.10 × 535,720.79
  4. Step 4: Simplify right side
    965,400.67x = 713,720,502,020.46
  5. Step 5: Solve for x
    x = 713,720,502,020.46/965,400.67
  6. Step 6: Final answer
    x = 739,299.78

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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.