Home / 1,234,123.96-1,851,462.96-435,412.12

Finding the Fourth Proportional to 1,234,123.96, 1,851,462.96 and 435,412.12

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Solution

The fourth proportional to 1,234,123.96, 1,851,462.96 and 435,412.12 is: 653,215.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,123.96 : 1,851,462.96 = 435,412.12 : x
  2. Step 2: Convert to fraction form
    1,234,123.96/1,851,462.96 = 435,412.12/x
  3. Step 3: Cross multiply
    1,234,123.96x = 1,851,462.96 × 435,412.12
  4. Step 4: Simplify right side
    1,234,123.96x = 806,149,412,515.08
  5. Step 5: Solve for x
    x = 806,149,412,515.08/1,234,123.96
  6. Step 6: Final answer
    x = 653,215.92

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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.