Home / 826,521.30-1,140,616.26-463,971.42

Finding the Fourth Proportional to 826,521.30, 1,140,616.26 and 463,971.42

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Solution

The fourth proportional to 826,521.30, 1,140,616.26 and 463,971.42 is: 640,290.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,521.30 : 1,140,616.26 = 463,971.42 : x
  2. Step 2: Convert to fraction form
    826,521.30/1,140,616.26 = 463,971.42/x
  3. Step 3: Cross multiply
    826,521.30x = 1,140,616.26 × 463,971.42
  4. Step 4: Simplify right side
    826,521.30x = 529,213,345,827.29
  5. Step 5: Solve for x
    x = 529,213,345,827.29/826,521.30
  6. Step 6: Final answer
    x = 640,290.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.