Home / 875,827.53-1,208,642.15-493,854.31

Finding the Fourth Proportional to 875,827.53, 1,208,642.15 and 493,854.31

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Solution

The fourth proportional to 875,827.53, 1,208,642.15 and 493,854.31 is: 681,519.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,827.53 : 1,208,642.15 = 493,854.31 : x
  2. Step 2: Convert to fraction form
    875,827.53/1,208,642.15 = 493,854.31/x
  3. Step 3: Cross multiply
    875,827.53x = 1,208,642.15 × 493,854.31
  4. Step 4: Simplify right side
    875,827.53x = 596,893,126,512.68
  5. Step 5: Solve for x
    x = 596,893,126,512.68/875,827.53
  6. Step 6: Final answer
    x = 681,519.03

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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.