Home / 1,790,447.57-2,686,148.72-653,314.49

Finding the Fourth Proportional to 1,790,447.57, 2,686,148.72 and 653,314.49

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Solution

The fourth proportional to 1,790,447.57, 2,686,148.72 and 653,314.49 is: 980,145.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,790,447.57 : 2,686,148.72 = 653,314.49 : x
  2. Step 2: Convert to fraction form
    1,790,447.57/2,686,148.72 = 653,314.49/x
  3. Step 3: Cross multiply
    1,790,447.57x = 2,686,148.72 × 653,314.49
  4. Step 4: Simplify right side
    1,790,447.57x = 1,754,899,877,804.38
  5. Step 5: Solve for x
    x = 1,754,899,877,804.38/1,790,447.57
  6. Step 6: Final answer
    x = 980,145.92

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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.