Home / 875,886.11-1,208,720.89-493,910.23

Finding the Fourth Proportional to 875,886.11, 1,208,720.89 and 493,910.23

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Solution

The fourth proportional to 875,886.11, 1,208,720.89 and 493,910.23 is: 681,595.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,886.11 : 1,208,720.89 = 493,910.23 : x
  2. Step 2: Convert to fraction form
    875,886.11/1,208,720.89 = 493,910.23/x
  3. Step 3: Cross multiply
    875,886.11x = 1,208,720.89 × 493,910.23
  4. Step 4: Simplify right side
    875,886.11x = 596,999,608,529.13
  5. Step 5: Solve for x
    x = 596,999,608,529.13/875,886.11
  6. Step 6: Final answer
    x = 681,595.02

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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.