Home / 1,840,513.59-2,760,918.01-642,409.38

Finding the Fourth Proportional to 1,840,513.59, 2,760,918.01 and 642,409.38

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Solution

The fourth proportional to 1,840,513.59, 2,760,918.01 and 642,409.38 is: 963,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840,513.59 : 2,760,918.01 = 642,409.38 : x
  2. Step 2: Convert to fraction form
    1,840,513.59/2,760,918.01 = 642,409.38/x
  3. Step 3: Cross multiply
    1,840,513.59x = 2,760,918.01 × 642,409.38
  4. Step 4: Simplify right side
    1,840,513.59x = 1,773,639,625,428.91
  5. Step 5: Solve for x
    x = 1,773,639,625,428.91/1,840,513.59
  6. Step 6: Final answer
    x = 963,665.60

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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.