Home / 965,381.16-1,332,235.20-535,701.28

Finding the Fourth Proportional to 965,381.16, 1,332,235.20 and 535,701.28

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Solution

The fourth proportional to 965,381.16, 1,332,235.20 and 535,701.28 is: 739,272.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,381.16 : 1,332,235.20 = 535,701.28 : x
  2. Step 2: Convert to fraction form
    965,381.16/1,332,235.20 = 535,701.28/x
  3. Step 3: Cross multiply
    965,381.16x = 1,332,235.20 × 535,701.28
  4. Step 4: Simplify right side
    965,381.16x = 713,680,101,901.06
  5. Step 5: Solve for x
    x = 713,680,101,901.06/965,381.16
  6. Step 6: Final answer
    x = 739,272.87

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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.