Home / 851,317.39-1,174,826.03-469,357.84

Finding the Fourth Proportional to 851,317.39, 1,174,826.03 and 469,357.84

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Solution

The fourth proportional to 851,317.39, 1,174,826.03 and 469,357.84 is: 647,718.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,317.39 : 1,174,826.03 = 469,357.84 : x
  2. Step 2: Convert to fraction form
    851,317.39/1,174,826.03 = 469,357.84/x
  3. Step 3: Cross multiply
    851,317.39x = 1,174,826.03 × 469,357.84
  4. Step 4: Simplify right side
    851,317.39x = 551,413,806,938.32
  5. Step 5: Solve for x
    x = 551,413,806,938.32/851,317.39
  6. Step 6: Final answer
    x = 647,718.25

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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.