Home / 927,705.56-1,388,457.72-528,239.12

Finding the Fourth Proportional to 927,705.56, 1,388,457.72 and 528,239.12

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Solution

The fourth proportional to 927,705.56, 1,388,457.72 and 528,239.12 is: 790,593.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,705.56 : 1,388,457.72 = 528,239.12 : x
  2. Step 2: Convert to fraction form
    927,705.56/1,388,457.72 = 528,239.12/x
  3. Step 3: Cross multiply
    927,705.56x = 1,388,457.72 × 528,239.12
  4. Step 4: Simplify right side
    927,705.56x = 733,437,677,227.72
  5. Step 5: Solve for x
    x = 733,437,677,227.72/927,705.56
  6. Step 6: Final answer
    x = 790,593.17

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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.