Home / 965,728.81-1,332,696.13-535,997.89

Finding the Fourth Proportional to 965,728.81, 1,332,696.13 and 535,997.89

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Solution

The fourth proportional to 965,728.81, 1,332,696.13 and 535,997.89 is: 739,671.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,728.81 : 1,332,696.13 = 535,997.89 : x
  2. Step 2: Convert to fraction form
    965,728.81/1,332,696.13 = 535,997.89/x
  3. Step 3: Cross multiply
    965,728.81x = 1,332,696.13 × 535,997.89
  4. Step 4: Simplify right side
    965,728.81x = 714,322,313,691.17
  5. Step 5: Solve for x
    x = 714,322,313,691.17/965,728.81
  6. Step 6: Final answer
    x = 739,671.74

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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.