Home / 856,132.77-1,284,211.71-406,899.48

Finding the Fourth Proportional to 856,132.77, 1,284,211.71 and 406,899.48

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Solution

The fourth proportional to 856,132.77, 1,284,211.71 and 406,899.48 is: 610,355.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,132.77 : 1,284,211.71 = 406,899.48 : x
  2. Step 2: Convert to fraction form
    856,132.77/1,284,211.71 = 406,899.48/x
  3. Step 3: Cross multiply
    856,132.77x = 1,284,211.71 × 406,899.48
  4. Step 4: Simplify right side
    856,132.77x = 522,545,077,008.91
  5. Step 5: Solve for x
    x = 522,545,077,008.91/856,132.77
  6. Step 6: Final answer
    x = 610,355.19

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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.