Home / 1,138,079.44-1,570,056.24-685,108

Finding the Fourth Proportional to 1,138,079.44, 1,570,056.24 and 685,108

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Solution

The fourth proportional to 1,138,079.44, 1,570,056.24 and 685,108 is: 945,152.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,079.44 : 1,570,056.24 = 685,108 : x
  2. Step 2: Convert to fraction form
    1,138,079.44/1,570,056.24 = 685,108/x
  3. Step 3: Cross multiply
    1,138,079.44x = 1,570,056.24 × 685,108
  4. Step 4: Simplify right side
    1,138,079.44x = 1,075,658,090,473.92
  5. Step 5: Solve for x
    x = 1,075,658,090,473.92/1,138,079.44
  6. Step 6: Final answer
    x = 945,152.03

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Similar ratio
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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.