Home / 806,444.69-1,112,893.60-438,924.46

Finding the Fourth Proportional to 806,444.69, 1,112,893.60 and 438,924.46

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Solution

The fourth proportional to 806,444.69, 1,112,893.60 and 438,924.46 is: 605,715.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,444.69 : 1,112,893.60 = 438,924.46 : x
  2. Step 2: Convert to fraction form
    806,444.69/1,112,893.60 = 438,924.46/x
  3. Step 3: Cross multiply
    806,444.69x = 1,112,893.60 × 438,924.46
  4. Step 4: Simplify right side
    806,444.69x = 488,476,222,417.46
  5. Step 5: Solve for x
    x = 488,476,222,417.46/806,444.69
  6. Step 6: Final answer
    x = 605,715.72

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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.