Home / 806,780.48-1,113,701.61-574,357.46

Finding the Fourth Proportional to 806,780.48, 1,113,701.61 and 574,357.46

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Solution

The fourth proportional to 806,780.48, 1,113,701.61 and 574,357.46 is: 792,858.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,780.48 : 1,113,701.61 = 574,357.46 : x
  2. Step 2: Convert to fraction form
    806,780.48/1,113,701.61 = 574,357.46/x
  3. Step 3: Cross multiply
    806,780.48x = 1,113,701.61 × 574,357.46
  4. Step 4: Simplify right side
    806,780.48x = 639,662,827,917.51
  5. Step 5: Solve for x
    x = 639,662,827,917.51/806,780.48
  6. Step 6: Final answer
    x = 792,858.58

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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.