Home / 916,847.40-1,375,271.10-580,924.20

Finding the Fourth Proportional to 916,847.40, 1,375,271.10 and 580,924.20

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Solution

The fourth proportional to 916,847.40, 1,375,271.10 and 580,924.20 is: 871,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,847.40 : 1,375,271.10 = 580,924.20 : x
  2. Step 2: Convert to fraction form
    916,847.40/1,375,271.10 = 580,924.20/x
  3. Step 3: Cross multiply
    916,847.40x = 1,375,271.10 × 580,924.20
  4. Step 4: Simplify right side
    916,847.40x = 798,928,263,550.62
  5. Step 5: Solve for x
    x = 798,928,263,550.62/916,847.40
  6. Step 6: Final answer
    x = 871,386.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.