Home / 1,229,681.49-1,843,986.54-653,178.62

Finding the Fourth Proportional to 1,229,681.49, 1,843,986.54 and 653,178.62

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Solution

The fourth proportional to 1,229,681.49, 1,843,986.54 and 653,178.62 is: 979,483.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,681.49 : 1,843,986.54 = 653,178.62 : x
  2. Step 2: Convert to fraction form
    1,229,681.49/1,843,986.54 = 653,178.62/x
  3. Step 3: Cross multiply
    1,229,681.49x = 1,843,986.54 × 653,178.62
  4. Step 4: Simplify right side
    1,229,681.49x = 1,204,452,574,275.84
  5. Step 5: Solve for x
    x = 1,204,452,574,275.84/1,229,681.49
  6. Step 6: Final answer
    x = 979,483.37

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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.