Home / 1,098,426.84-1,515,699.40-633,275.48

Finding the Fourth Proportional to 1,098,426.84, 1,515,699.40 and 633,275.48

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Solution

The fourth proportional to 1,098,426.84, 1,515,699.40 and 633,275.48 is: 873,845.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,426.84 : 1,515,699.40 = 633,275.48 : x
  2. Step 2: Convert to fraction form
    1,098,426.84/1,515,699.40 = 633,275.48/x
  3. Step 3: Cross multiply
    1,098,426.84x = 1,515,699.40 × 633,275.48
  4. Step 4: Simplify right side
    1,098,426.84x = 959,855,265,070.71
  5. Step 5: Solve for x
    x = 959,855,265,070.71/1,098,426.84
  6. Step 6: Final answer
    x = 873,845.42

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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.