Home / 1,266,514.32-1,900,191.86-413,613.80

Finding the Fourth Proportional to 1,266,514.32, 1,900,191.86 and 413,613.80

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Solution

The fourth proportional to 1,266,514.32, 1,900,191.86 and 413,613.80 is: 620,557.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,514.32 : 1,900,191.86 = 413,613.80 : x
  2. Step 2: Convert to fraction form
    1,266,514.32/1,900,191.86 = 413,613.80/x
  3. Step 3: Cross multiply
    1,266,514.32x = 1,900,191.86 × 413,613.80
  4. Step 4: Simplify right side
    1,266,514.32x = 785,945,567,476.74
  5. Step 5: Solve for x
    x = 785,945,567,476.74/1,266,514.32
  6. Step 6: Final answer
    x = 620,557.98

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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.