Home / 1,191,127.68-1,643,856.96-654,695.04

Finding the Fourth Proportional to 1,191,127.68, 1,643,856.96 and 654,695.04

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Solution

The fourth proportional to 1,191,127.68, 1,643,856.96 and 654,695.04 is: 903,534.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,127.68 : 1,643,856.96 = 654,695.04 : x
  2. Step 2: Convert to fraction form
    1,191,127.68/1,643,856.96 = 654,695.04/x
  3. Step 3: Cross multiply
    1,191,127.68x = 1,643,856.96 × 654,695.04
  4. Step 4: Simplify right side
    1,191,127.68x = 1,076,224,998,181.48
  5. Step 5: Solve for x
    x = 1,076,224,998,181.48/1,191,127.68
  6. Step 6: Final answer
    x = 903,534.54

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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.