Home / 1,191,060.35-1,643,673.68-647,196.12

Finding the Fourth Proportional to 1,191,060.35, 1,643,673.68 and 647,196.12

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Solution

The fourth proportional to 1,191,060.35, 1,643,673.68 and 647,196.12 is: 893,136.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,060.35 : 1,643,673.68 = 647,196.12 : x
  2. Step 2: Convert to fraction form
    1,191,060.35/1,643,673.68 = 647,196.12/x
  3. Step 3: Cross multiply
    1,191,060.35x = 1,643,673.68 × 647,196.12
  4. Step 4: Simplify right side
    1,191,060.35x = 1,063,779,235,696.44
  5. Step 5: Solve for x
    x = 1,063,779,235,696.44/1,191,060.35
  6. Step 6: Final answer
    x = 893,136.30

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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.