Home / 986,687.96-1,361,629.36-533,978.96

Finding the Fourth Proportional to 986,687.96, 1,361,629.36 and 533,978.96

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Solution

The fourth proportional to 986,687.96, 1,361,629.36 and 533,978.96 is: 736,890.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,687.96 : 1,361,629.36 = 533,978.96 : x
  2. Step 2: Convert to fraction form
    986,687.96/1,361,629.36 = 533,978.96/x
  3. Step 3: Cross multiply
    986,687.96x = 1,361,629.36 × 533,978.96
  4. Step 4: Simplify right side
    986,687.96x = 727,081,423,417.59
  5. Step 5: Solve for x
    x = 727,081,423,417.59/986,687.96
  6. Step 6: Final answer
    x = 736,890.95

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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.