Home / 885,379.17-1,327,920.21-245,747.91

Finding the Fourth Proportional to 885,379.17, 1,327,920.21 and 245,747.91

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Solution

The fourth proportional to 885,379.17, 1,327,920.21 and 245,747.91 is: 368,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,379.17 : 1,327,920.21 = 245,747.91 : x
  2. Step 2: Convert to fraction form
    885,379.17/1,327,920.21 = 245,747.91/x
  3. Step 3: Cross multiply
    885,379.17x = 1,327,920.21 × 245,747.91
  4. Step 4: Simplify right side
    885,379.17x = 326,333,616,254.26
  5. Step 5: Solve for x
    x = 326,333,616,254.26/885,379.17
  6. Step 6: Final answer
    x = 368,580.63

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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.