Home / 986,687.16-1,361,632.44-533,978.16

Finding the Fourth Proportional to 986,687.16, 1,361,632.44 and 533,978.16

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Solution

The fourth proportional to 986,687.16, 1,361,632.44 and 533,978.16 is: 736,892.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,687.16 : 1,361,632.44 = 533,978.16 : x
  2. Step 2: Convert to fraction form
    986,687.16/1,361,632.44 = 533,978.16/x
  3. Step 3: Cross multiply
    986,687.16x = 1,361,632.44 × 533,978.16
  4. Step 4: Simplify right side
    986,687.16x = 727,081,984,907.51
  5. Step 5: Solve for x
    x = 727,081,984,907.51/986,687.16
  6. Step 6: Final answer
    x = 736,892.11

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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.