Home / 1,531,917-2,297,875.50-409,956.84

Finding the Fourth Proportional to 1,531,917, 2,297,875.50 and 409,956.84

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Solution

The fourth proportional to 1,531,917, 2,297,875.50 and 409,956.84 is: 614,935.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,531,917 : 2,297,875.50 = 409,956.84 : x
  2. Step 2: Convert to fraction form
    1,531,917/2,297,875.50 = 409,956.84/x
  3. Step 3: Cross multiply
    1,531,917x = 2,297,875.50 × 409,956.84
  4. Step 4: Simplify right side
    1,531,917x = 942,029,778,693.42
  5. Step 5: Solve for x
    x = 942,029,778,693.42/1,531,917
  6. Step 6: Final answer
    x = 614,935.26

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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.