Home / 3,590,000.80-5,385,001.20-3,448,283.20

Finding the Fourth Proportional to 3,590,000.80, 5,385,001.20 and 3,448,283.20

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Solution

The fourth proportional to 3,590,000.80, 5,385,001.20 and 3,448,283.20 is: 5,172,424.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,590,000.80 : 5,385,001.20 = 3,448,283.20 : x
  2. Step 2: Convert to fraction form
    3,590,000.80/5,385,001.20 = 3,448,283.20/x
  3. Step 3: Cross multiply
    3,590,000.80x = 5,385,001.20 × 3,448,283.20
  4. Step 4: Simplify right side
    3,590,000.80x = 18,569,009,169,939.84
  5. Step 5: Solve for x
    x = 18,569,009,169,939.84/3,590,000.80
  6. Step 6: Final answer
    x = 5,172,424.80

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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.