Home / 1,053,097.50-1,452,684.06-645,396.96

Finding the Fourth Proportional to 1,053,097.50, 1,452,684.06 and 645,396.96

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Solution

The fourth proportional to 1,053,097.50, 1,452,684.06 and 645,396.96 is: 890,285.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,097.50 : 1,452,684.06 = 645,396.96 : x
  2. Step 2: Convert to fraction form
    1,053,097.50/1,452,684.06 = 645,396.96/x
  3. Step 3: Cross multiply
    1,053,097.50x = 1,452,684.06 × 645,396.96
  4. Step 4: Simplify right side
    1,053,097.50x = 937,557,876,164.46
  5. Step 5: Solve for x
    x = 937,557,876,164.46/1,053,097.50
  6. Step 6: Final answer
    x = 890,285.92

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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.