Home / 610,526.51-842,577.03-338,682.05

Finding the Fourth Proportional to 610,526.51, 842,577.03 and 338,682.05

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Solution

The fourth proportional to 610,526.51, 842,577.03 and 338,682.05 is: 467,409.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,526.51 : 842,577.03 = 338,682.05 : x
  2. Step 2: Convert to fraction form
    610,526.51/842,577.03 = 338,682.05/x
  3. Step 3: Cross multiply
    610,526.51x = 842,577.03 × 338,682.05
  4. Step 4: Simplify right side
    610,526.51x = 285,365,711,590.43
  5. Step 5: Solve for x
    x = 285,365,711,590.43/610,526.51
  6. Step 6: Final answer
    x = 467,409.21

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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.