Home / 1,117,419.76-1,542,009.72-608,111.20

Finding the Fourth Proportional to 1,117,419.76, 1,542,009.72 and 608,111.20

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Solution

The fourth proportional to 1,117,419.76, 1,542,009.72 and 608,111.20 is: 839,177.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,419.76 : 1,542,009.72 = 608,111.20 : x
  2. Step 2: Convert to fraction form
    1,117,419.76/1,542,009.72 = 608,111.20/x
  3. Step 3: Cross multiply
    1,117,419.76x = 1,542,009.72 × 608,111.20
  4. Step 4: Simplify right side
    1,117,419.76x = 937,713,381,240.86
  5. Step 5: Solve for x
    x = 937,713,381,240.86/1,117,419.76
  6. Step 6: Final answer
    x = 839,177.38

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1.5x scale

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.