Home / 1,122,444.74-1,548,916-613,048.70

Finding the Fourth Proportional to 1,122,444.74, 1,548,916 and 613,048.70

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Solution

The fourth proportional to 1,122,444.74, 1,548,916 and 613,048.70 is: 845,975.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,444.74 : 1,548,916 = 613,048.70 : x
  2. Step 2: Convert to fraction form
    1,122,444.74/1,548,916 = 613,048.70/x
  3. Step 3: Cross multiply
    1,122,444.74x = 1,548,916 × 613,048.70
  4. Step 4: Simplify right side
    1,122,444.74x = 949,560,940,209.20
  5. Step 5: Solve for x
    x = 949,560,940,209.20/1,122,444.74
  6. Step 6: Final answer
    x = 845,975.67

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Double scale
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Similar ratio
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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.