Home / 1,191,060.40-1,643,673.75-647,196.17

Finding the Fourth Proportional to 1,191,060.40, 1,643,673.75 and 647,196.17

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Solution

The fourth proportional to 1,191,060.40, 1,643,673.75 and 647,196.17 is: 893,136.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,060.40 : 1,643,673.75 = 647,196.17 : x
  2. Step 2: Convert to fraction form
    1,191,060.40/1,643,673.75 = 647,196.17/x
  3. Step 3: Cross multiply
    1,191,060.40x = 1,643,673.75 × 647,196.17
  4. Step 4: Simplify right side
    1,191,060.40x = 1,063,779,355,729.54
  5. Step 5: Solve for x
    x = 1,063,779,355,729.54/1,191,060.40
  6. Step 6: Final answer
    x = 893,136.37

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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.