Home / 559,156.23-771,630.30-304,511.67

Finding the Fourth Proportional to 559,156.23, 771,630.30 and 304,511.67

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Solution

The fourth proportional to 559,156.23, 771,630.30 and 304,511.67 is: 420,223.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,156.23 : 771,630.30 = 304,511.67 : x
  2. Step 2: Convert to fraction form
    559,156.23/771,630.30 = 304,511.67/x
  3. Step 3: Cross multiply
    559,156.23x = 771,630.30 × 304,511.67
  4. Step 4: Simplify right side
    559,156.23x = 234,970,431,275.60
  5. Step 5: Solve for x
    x = 234,970,431,275.60/559,156.23
  6. Step 6: Final answer
    x = 420,223.22

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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.