Home / 988,709.90-1,483,064.24-357,476.09

Finding the Fourth Proportional to 988,709.90, 1,483,064.24 and 357,476.09

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Solution

The fourth proportional to 988,709.90, 1,483,064.24 and 357,476.09 is: 536,213.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,709.90 : 1,483,064.24 = 357,476.09 : x
  2. Step 2: Convert to fraction form
    988,709.90/1,483,064.24 = 357,476.09/x
  3. Step 3: Cross multiply
    988,709.90x = 1,483,064.24 × 357,476.09
  4. Step 4: Simplify right side
    988,709.90x = 530,159,996,531.32
  5. Step 5: Solve for x
    x = 530,159,996,531.32/988,709.90
  6. Step 6: Final answer
    x = 536,213.91

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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.