Home / 2,328,876.75-3,493,315.13-645,980.25

Finding the Fourth Proportional to 2,328,876.75, 3,493,315.13 and 645,980.25

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Solution

The fourth proportional to 2,328,876.75, 3,493,315.13 and 645,980.25 is: 968,970.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328,876.75 : 3,493,315.13 = 645,980.25 : x
  2. Step 2: Convert to fraction form
    2,328,876.75/3,493,315.13 = 645,980.25/x
  3. Step 3: Cross multiply
    2,328,876.75x = 3,493,315.13 × 645,980.25
  4. Step 4: Simplify right side
    2,328,876.75x = 2,256,612,577,776.28
  5. Step 5: Solve for x
    x = 2,256,612,577,776.28/2,328,876.75
  6. Step 6: Final answer
    x = 968,970.38

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.