Home / 862,069.74-1,189,749.70-474,924.84

Finding the Fourth Proportional to 862,069.74, 1,189,749.70 and 474,924.84

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Solution

The fourth proportional to 862,069.74, 1,189,749.70 and 474,924.84 is: 655,447.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,069.74 : 1,189,749.70 = 474,924.84 : x
  2. Step 2: Convert to fraction form
    862,069.74/1,189,749.70 = 474,924.84/x
  3. Step 3: Cross multiply
    862,069.74x = 1,189,749.70 × 474,924.84
  4. Step 4: Simplify right side
    862,069.74x = 565,041,682,044.64
  5. Step 5: Solve for x
    x = 565,041,682,044.64/862,069.74
  6. Step 6: Final answer
    x = 655,447.77

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Double scale
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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.