Home / 971,179.48-1,340,325.66-563,406.04

Finding the Fourth Proportional to 971,179.48, 1,340,325.66 and 563,406.04

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Solution

The fourth proportional to 971,179.48, 1,340,325.66 and 563,406.04 is: 777,557.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,179.48 : 1,340,325.66 = 563,406.04 : x
  2. Step 2: Convert to fraction form
    971,179.48/1,340,325.66 = 563,406.04/x
  3. Step 3: Cross multiply
    971,179.48x = 1,340,325.66 × 563,406.04
  4. Step 4: Simplify right side
    971,179.48x = 755,147,572,410.99
  5. Step 5: Solve for x
    x = 755,147,572,410.99/971,179.48
  6. Step 6: Final answer
    x = 777,557.17

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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.