Home / 514,150.48-771,445.98-198,828.82

Finding the Fourth Proportional to 514,150.48, 771,445.98 and 198,828.82

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Solution

The fourth proportional to 514,150.48, 771,445.98 and 198,828.82 is: 298,328.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,150.48 : 771,445.98 = 198,828.82 : x
  2. Step 2: Convert to fraction form
    514,150.48/771,445.98 = 198,828.82/x
  3. Step 3: Cross multiply
    514,150.48x = 771,445.98 × 198,828.82
  4. Step 4: Simplify right side
    514,150.48x = 153,385,693,897.14
  5. Step 5: Solve for x
    x = 153,385,693,897.14/514,150.48
  6. Step 6: Final answer
    x = 298,328.41

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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.