Home / 986,549.36-1,361,441.68-533,840.32

Finding the Fourth Proportional to 986,549.36, 1,361,441.68 and 533,840.32

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Solution

The fourth proportional to 986,549.36, 1,361,441.68 and 533,840.32 is: 736,701.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,549.36 : 1,361,441.68 = 533,840.32 : x
  2. Step 2: Convert to fraction form
    986,549.36/1,361,441.68 = 533,840.32/x
  3. Step 3: Cross multiply
    986,549.36x = 1,361,441.68 × 533,840.32
  4. Step 4: Simplify right side
    986,549.36x = 726,792,462,112.54
  5. Step 5: Solve for x
    x = 726,792,462,112.54/986,549.36
  6. Step 6: Final answer
    x = 736,701.57

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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.