Home / 638,358.22-957,677.50-189,114.27

Finding the Fourth Proportional to 638,358.22, 957,677.50 and 189,114.27

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Solution

The fourth proportional to 638,358.22, 957,677.50 and 189,114.27 is: 283,712.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,358.22 : 957,677.50 = 189,114.27 : x
  2. Step 2: Convert to fraction form
    638,358.22/957,677.50 = 189,114.27/x
  3. Step 3: Cross multiply
    638,358.22x = 957,677.50 × 189,114.27
  4. Step 4: Simplify right side
    638,358.22x = 181,110,477,953.03
  5. Step 5: Solve for x
    x = 181,110,477,953.03/638,358.22
  6. Step 6: Final answer
    x = 283,712.92

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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.