Home / 826,067.50-1,139,992.80-463,518.18

Finding the Fourth Proportional to 826,067.50, 1,139,992.80 and 463,518.18

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Solution

The fourth proportional to 826,067.50, 1,139,992.80 and 463,518.18 is: 639,666.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,067.50 : 1,139,992.80 = 463,518.18 : x
  2. Step 2: Convert to fraction form
    826,067.50/1,139,992.80 = 463,518.18/x
  3. Step 3: Cross multiply
    826,067.50x = 1,139,992.80 × 463,518.18
  4. Step 4: Simplify right side
    826,067.50x = 528,407,387,869.10
  5. Step 5: Solve for x
    x = 528,407,387,869.10/826,067.50
  6. Step 6: Final answer
    x = 639,666.12

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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.