Home / 851,386.47-1,174,921.25-469,426.83

Finding the Fourth Proportional to 851,386.47, 1,174,921.25 and 469,426.83

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Solution

The fourth proportional to 851,386.47, 1,174,921.25 and 469,426.83 is: 647,813.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,386.47 : 1,174,921.25 = 469,426.83 : x
  2. Step 2: Convert to fraction form
    851,386.47/1,174,921.25 = 469,426.83/x
  3. Step 3: Cross multiply
    851,386.47x = 1,174,921.25 × 469,426.83
  4. Step 4: Simplify right side
    851,386.47x = 551,539,557,887.14
  5. Step 5: Solve for x
    x = 551,539,557,887.14/851,386.47
  6. Step 6: Final answer
    x = 647,813.39

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Double scale
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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.