Home / 885,879.40-1,327,235.10-539,031.40

Finding the Fourth Proportional to 885,879.40, 1,327,235.10 and 539,031.40

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Solution

The fourth proportional to 885,879.40, 1,327,235.10 and 539,031.40 is: 807,583.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,879.40 : 1,327,235.10 = 539,031.40 : x
  2. Step 2: Convert to fraction form
    885,879.40/1,327,235.10 = 539,031.40/x
  3. Step 3: Cross multiply
    885,879.40x = 1,327,235.10 × 539,031.40
  4. Step 4: Simplify right side
    885,879.40x = 715,421,394,082.14
  5. Step 5: Solve for x
    x = 715,421,394,082.14/885,879.40
  6. Step 6: Final answer
    x = 807,583.28

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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.