Home / 965,205.45-1,332,143.55-535,623.57

Finding the Fourth Proportional to 965,205.45, 1,332,143.55 and 535,623.57

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Solution

The fourth proportional to 965,205.45, 1,332,143.55 and 535,623.57 is: 739,249.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,205.45 : 1,332,143.55 = 535,623.57 : x
  2. Step 2: Convert to fraction form
    965,205.45/1,332,143.55 = 535,623.57/x
  3. Step 3: Cross multiply
    965,205.45x = 1,332,143.55 × 535,623.57
  4. Step 4: Simplify right side
    965,205.45x = 713,527,484,003.47
  5. Step 5: Solve for x
    x = 713,527,484,003.47/965,205.45
  6. Step 6: Final answer
    x = 739,249.33

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Double scale
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1.5x scale

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.