Home / 559,057.24-771,511.66-317,317.20

Finding the Fourth Proportional to 559,057.24, 771,511.66 and 317,317.20

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Solution

The fourth proportional to 559,057.24, 771,511.66 and 317,317.20 is: 437,904.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,057.24 : 771,511.66 = 317,317.20 : x
  2. Step 2: Convert to fraction form
    559,057.24/771,511.66 = 317,317.20/x
  3. Step 3: Cross multiply
    559,057.24x = 771,511.66 × 317,317.20
  4. Step 4: Simplify right side
    559,057.24x = 244,813,919,718.55
  5. Step 5: Solve for x
    x = 244,813,919,718.55/559,057.24
  6. Step 6: Final answer
    x = 437,904.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.