Home / 910,357.39-1,365,099.56-430,185.52

Finding the Fourth Proportional to 910,357.39, 1,365,099.56 and 430,185.52

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Solution

The fourth proportional to 910,357.39, 1,365,099.56 and 430,185.52 is: 645,072.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,357.39 : 1,365,099.56 = 430,185.52 : x
  2. Step 2: Convert to fraction form
    910,357.39/1,365,099.56 = 430,185.52/x
  3. Step 3: Cross multiply
    910,357.39x = 1,365,099.56 × 430,185.52
  4. Step 4: Simplify right side
    910,357.39x = 587,246,055,093.95
  5. Step 5: Solve for x
    x = 587,246,055,093.95/910,357.39
  6. Step 6: Final answer
    x = 645,072.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.