Home / 986,689.16-1,361,635.20-533,980.16

Finding the Fourth Proportional to 986,689.16, 1,361,635.20 and 533,980.16

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Solution

The fourth proportional to 986,689.16, 1,361,635.20 and 533,980.16 is: 736,894.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,689.16 : 1,361,635.20 = 533,980.16 : x
  2. Step 2: Convert to fraction form
    986,689.16/1,361,635.20 = 533,980.16/x
  3. Step 3: Cross multiply
    986,689.16x = 1,361,635.20 × 533,980.16
  4. Step 4: Simplify right side
    986,689.16x = 727,086,181,957.63
  5. Step 5: Solve for x
    x = 727,086,181,957.63/986,689.16
  6. Step 6: Final answer
    x = 736,894.87

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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.