Home / 638,278.74-957,421.26-189,008.10

Finding the Fourth Proportional to 638,278.74, 957,421.26 and 189,008.10

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Solution

The fourth proportional to 638,278.74, 957,421.26 and 189,008.10 is: 283,513.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,278.74 : 957,421.26 = 189,008.10 : x
  2. Step 2: Convert to fraction form
    638,278.74/957,421.26 = 189,008.10/x
  3. Step 3: Cross multiply
    638,278.74x = 957,421.26 × 189,008.10
  4. Step 4: Simplify right side
    638,278.74x = 180,960,373,252.21
  5. Step 5: Solve for x
    x = 180,960,373,252.21/638,278.74
  6. Step 6: Final answer
    x = 283,513.08

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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.