Home / 657,584.14-907,396.83-381,888.19

Finding the Fourth Proportional to 657,584.14, 907,396.83 and 381,888.19

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Solution

The fourth proportional to 657,584.14, 907,396.83 and 381,888.19 is: 526,965.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,584.14 : 907,396.83 = 381,888.19 : x
  2. Step 2: Convert to fraction form
    657,584.14/907,396.83 = 381,888.19/x
  3. Step 3: Cross multiply
    657,584.14x = 907,396.83 × 381,888.19
  4. Step 4: Simplify right side
    657,584.14x = 346,524,128,483.45
  5. Step 5: Solve for x
    x = 346,524,128,483.45/657,584.14
  6. Step 6: Final answer
    x = 526,965.46

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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.