Home / 986,614.39-1,361,527.83-533,905.39

Finding the Fourth Proportional to 986,614.39, 1,361,527.83 and 533,905.39

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Solution

The fourth proportional to 986,614.39, 1,361,527.83 and 533,905.39 is: 736,789.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,614.39 : 1,361,527.83 = 533,905.39 : x
  2. Step 2: Convert to fraction form
    986,614.39/1,361,527.83 = 533,905.39/x
  3. Step 3: Cross multiply
    986,614.39x = 1,361,527.83 × 533,905.39
  4. Step 4: Simplify right side
    986,614.39x = 726,927,047,072.00
  5. Step 5: Solve for x
    x = 726,927,047,072.00/986,614.39
  6. Step 6: Final answer
    x = 736,789.42

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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.