Home / 806,987.69-1,113,646.35-462,836.91

Finding the Fourth Proportional to 806,987.69, 1,113,646.35 and 462,836.91

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Solution

The fourth proportional to 806,987.69, 1,113,646.35 and 462,836.91 is: 638,716.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,987.69 : 1,113,646.35 = 462,836.91 : x
  2. Step 2: Convert to fraction form
    806,987.69/1,113,646.35 = 462,836.91/x
  3. Step 3: Cross multiply
    806,987.69x = 1,113,646.35 × 462,836.91
  4. Step 4: Simplify right side
    806,987.69x = 515,436,635,466.78
  5. Step 5: Solve for x
    x = 515,436,635,466.78/806,987.69
  6. Step 6: Final answer
    x = 638,716.85

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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.