Home / 1,173,084.06-1,618,890.12-663,775.50

Finding the Fourth Proportional to 1,173,084.06, 1,618,890.12 and 663,775.50

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Solution

The fourth proportional to 1,173,084.06, 1,618,890.12 and 663,775.50 is: 916,029.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,084.06 : 1,618,890.12 = 663,775.50 : x
  2. Step 2: Convert to fraction form
    1,173,084.06/1,618,890.12 = 663,775.50/x
  3. Step 3: Cross multiply
    1,173,084.06x = 1,618,890.12 × 663,775.50
  4. Step 4: Simplify right side
    1,173,084.06x = 1,074,579,598,848.06
  5. Step 5: Solve for x
    x = 1,074,579,598,848.06/1,173,084.06
  6. Step 6: Final answer
    x = 916,029.49

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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.