Home / 744,483.60-1,027,478.57-438,544.17

Finding the Fourth Proportional to 744,483.60, 1,027,478.57 and 438,544.17

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Solution

The fourth proportional to 744,483.60, 1,027,478.57 and 438,544.17 is: 605,244.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,483.60 : 1,027,478.57 = 438,544.17 : x
  2. Step 2: Convert to fraction form
    744,483.60/1,027,478.57 = 438,544.17/x
  3. Step 3: Cross multiply
    744,483.60x = 1,027,478.57 × 438,544.17
  4. Step 4: Simplify right side
    744,483.60x = 450,594,734,480.72
  5. Step 5: Solve for x
    x = 450,594,734,480.72/744,483.60
  6. Step 6: Final answer
    x = 605,244.67

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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.