Home / 731,271.33-1,009,425.78-550,507.57

Finding the Fourth Proportional to 731,271.33, 1,009,425.78 and 550,507.57

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Solution

The fourth proportional to 731,271.33, 1,009,425.78 and 550,507.57 is: 759,904.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,271.33 : 1,009,425.78 = 550,507.57 : x
  2. Step 2: Convert to fraction form
    731,271.33/1,009,425.78 = 550,507.57/x
  3. Step 3: Cross multiply
    731,271.33x = 1,009,425.78 × 550,507.57
  4. Step 4: Simplify right side
    731,271.33x = 555,696,530,719.59
  5. Step 5: Solve for x
    x = 555,696,530,719.59/731,271.33
  6. Step 6: Final answer
    x = 759,904.71

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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.