Home / 992,239.62-1,486,647.63-543,283.62

Finding the Fourth Proportional to 992,239.62, 1,486,647.63 and 543,283.62

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Solution

The fourth proportional to 992,239.62, 1,486,647.63 and 543,283.62 is: 813,988.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,239.62 : 1,486,647.63 = 543,283.62 : x
  2. Step 2: Convert to fraction form
    992,239.62/1,486,647.63 = 543,283.62/x
  3. Step 3: Cross multiply
    992,239.62x = 1,486,647.63 × 543,283.62
  4. Step 4: Simplify right side
    992,239.62x = 807,671,306,090.82
  5. Step 5: Solve for x
    x = 807,671,306,090.82/992,239.62
  6. Step 6: Final answer
    x = 813,988.16

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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.