Home / 2,590,752.15-3,886,128.23-817,824.15

Finding the Fourth Proportional to 2,590,752.15, 3,886,128.23 and 817,824.15

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Solution

The fourth proportional to 2,590,752.15, 3,886,128.23 and 817,824.15 is: 1,226,736.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,752.15 : 3,886,128.23 = 817,824.15 : x
  2. Step 2: Convert to fraction form
    2,590,752.15/3,886,128.23 = 817,824.15/x
  3. Step 3: Cross multiply
    2,590,752.15x = 3,886,128.23 × 817,824.15
  4. Step 4: Simplify right side
    2,590,752.15x = 3,178,169,512,401.63
  5. Step 5: Solve for x
    x = 3,178,169,512,401.63/2,590,752.15
  6. Step 6: Final answer
    x = 1,226,736.23

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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.