Home / 986,341.44-1,361,223.04-556,659.12

Finding the Fourth Proportional to 986,341.44, 1,361,223.04 and 556,659.12

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Solution

The fourth proportional to 986,341.44, 1,361,223.04 and 556,659.12 is: 768,230.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,341.44 : 1,361,223.04 = 556,659.12 : x
  2. Step 2: Convert to fraction form
    986,341.44/1,361,223.04 = 556,659.12/x
  3. Step 3: Cross multiply
    986,341.44x = 1,361,223.04 × 556,659.12
  4. Step 4: Simplify right side
    986,341.44x = 757,737,219,570.13
  5. Step 5: Solve for x
    x = 757,737,219,570.13/986,341.44
  6. Step 6: Final answer
    x = 768,230.14

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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.