Home / 726,360.25-1,001,680.57-480,955.63

Finding the Fourth Proportional to 726,360.25, 1,001,680.57 and 480,955.63

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Solution

The fourth proportional to 726,360.25, 1,001,680.57 and 480,955.63 is: 663,257.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,360.25 : 1,001,680.57 = 480,955.63 : x
  2. Step 2: Convert to fraction form
    726,360.25/1,001,680.57 = 480,955.63/x
  3. Step 3: Cross multiply
    726,360.25x = 1,001,680.57 × 480,955.63
  4. Step 4: Simplify right side
    726,360.25x = 481,763,909,603.11
  5. Step 5: Solve for x
    x = 481,763,909,603.11/726,360.25
  6. Step 6: Final answer
    x = 663,257.54

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Half scale
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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.