Home / 1,191,173.42-1,643,813.94-647,298.92

Finding the Fourth Proportional to 1,191,173.42, 1,643,813.94 and 647,298.92

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Solution

The fourth proportional to 1,191,173.42, 1,643,813.94 and 647,298.92 is: 893,269.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,173.42 : 1,643,813.94 = 647,298.92 : x
  2. Step 2: Convert to fraction form
    1,191,173.42/1,643,813.94 = 647,298.92/x
  3. Step 3: Cross multiply
    1,191,173.42x = 1,643,813.94 × 647,298.92
  4. Step 4: Simplify right side
    1,191,173.42x = 1,064,038,988,042.94
  5. Step 5: Solve for x
    x = 1,064,038,988,042.94/1,191,173.42
  6. Step 6: Final answer
    x = 893,269.59

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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.