Home / 1,114,784.32-1,538,138.82-655,918.92

Finding the Fourth Proportional to 1,114,784.32, 1,538,138.82 and 655,918.92

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Solution

The fourth proportional to 1,114,784.32, 1,538,138.82 and 655,918.92 is: 905,013.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,784.32 : 1,538,138.82 = 655,918.92 : x
  2. Step 2: Convert to fraction form
    1,114,784.32/1,538,138.82 = 655,918.92/x
  3. Step 3: Cross multiply
    1,114,784.32x = 1,538,138.82 × 655,918.92
  4. Step 4: Simplify right side
    1,114,784.32x = 1,008,894,353,624.47
  5. Step 5: Solve for x
    x = 1,008,894,353,624.47/1,114,784.32
  6. Step 6: Final answer
    x = 905,013.05

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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.