Home / 826,308.28-1,140,325.82-463,759.77

Finding the Fourth Proportional to 826,308.28, 1,140,325.82 and 463,759.77

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Solution

The fourth proportional to 826,308.28, 1,140,325.82 and 463,759.77 is: 639,999.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,308.28 : 1,140,325.82 = 463,759.77 : x
  2. Step 2: Convert to fraction form
    826,308.28/1,140,325.82 = 463,759.77/x
  3. Step 3: Cross multiply
    826,308.28x = 1,140,325.82 × 463,759.77
  4. Step 4: Simplify right side
    826,308.28x = 528,837,241,167.66
  5. Step 5: Solve for x
    x = 528,837,241,167.66/826,308.28
  6. Step 6: Final answer
    x = 639,999.93

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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.