Home / 610,519.95-842,569.29-338,675.42

Finding the Fourth Proportional to 610,519.95, 842,569.29 and 338,675.42

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Solution

The fourth proportional to 610,519.95, 842,569.29 and 338,675.42 is: 467,400.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,519.95 : 842,569.29 = 338,675.42 : x
  2. Step 2: Convert to fraction form
    610,519.95/842,569.29 = 338,675.42/x
  3. Step 3: Cross multiply
    610,519.95x = 842,569.29 × 338,675.42
  4. Step 4: Simplify right side
    610,519.95x = 285,357,510,276.28
  5. Step 5: Solve for x
    x = 285,357,510,276.28/610,519.95
  6. Step 6: Final answer
    x = 467,400.80

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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.