Home / 623,967.18-936,054.24-219,054.30

Finding the Fourth Proportional to 623,967.18, 936,054.24 and 219,054.30

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Solution

The fourth proportional to 623,967.18, 936,054.24 and 219,054.30 is: 328,617.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,967.18 : 936,054.24 = 219,054.30 : x
  2. Step 2: Convert to fraction form
    623,967.18/936,054.24 = 219,054.30/x
  3. Step 3: Cross multiply
    623,967.18x = 936,054.24 × 219,054.30
  4. Step 4: Simplify right side
    623,967.18x = 205,046,702,795.03
  5. Step 5: Solve for x
    x = 205,046,702,795.03/623,967.18
  6. Step 6: Final answer
    x = 328,617.77

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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.