Home / 1,143,913.45-1,578,547.59-627,654.46

Finding the Fourth Proportional to 1,143,913.45, 1,578,547.59 and 627,654.46

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Solution

The fourth proportional to 1,143,913.45, 1,578,547.59 and 627,654.46 is: 866,134.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,913.45 : 1,578,547.59 = 627,654.46 : x
  2. Step 2: Convert to fraction form
    1,143,913.45/1,578,547.59 = 627,654.46/x
  3. Step 3: Cross multiply
    1,143,913.45x = 1,578,547.59 × 627,654.46
  4. Step 4: Simplify right side
    1,143,913.45x = 990,782,435,185.75
  5. Step 5: Solve for x
    x = 990,782,435,185.75/1,143,913.45
  6. Step 6: Final answer
    x = 866,134.09

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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.