Home / 986,614.36-1,361,527.84-533,905.36

Finding the Fourth Proportional to 986,614.36, 1,361,527.84 and 533,905.36

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Solution

The fourth proportional to 986,614.36, 1,361,527.84 and 533,905.36 is: 736,789.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,614.36 : 1,361,527.84 = 533,905.36 : x
  2. Step 2: Convert to fraction form
    986,614.36/1,361,527.84 = 533,905.36/x
  3. Step 3: Cross multiply
    986,614.36x = 1,361,527.84 × 533,905.36
  4. Step 4: Simplify right side
    986,614.36x = 726,927,011,565.22
  5. Step 5: Solve for x
    x = 726,927,011,565.22/986,614.36
  6. Step 6: Final answer
    x = 736,789.41

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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.