Home / 872,884.89-1,204,400.55-510,238.59

Finding the Fourth Proportional to 872,884.89, 1,204,400.55 and 510,238.59

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Solution

The fourth proportional to 872,884.89, 1,204,400.55 and 510,238.59 is: 704,023.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,884.89 : 1,204,400.55 = 510,238.59 : x
  2. Step 2: Convert to fraction form
    872,884.89/1,204,400.55 = 510,238.59/x
  3. Step 3: Cross multiply
    872,884.89x = 1,204,400.55 × 510,238.59
  4. Step 4: Simplify right side
    872,884.89x = 614,531,638,427.23
  5. Step 5: Solve for x
    x = 614,531,638,427.23/872,884.89
  6. Step 6: Final answer
    x = 704,023.69

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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.