Home / 1,234,535.45-1,703,725.11-690,638.81

Finding the Fourth Proportional to 1,234,535.45, 1,703,725.11 and 690,638.81

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Solution

The fourth proportional to 1,234,535.45, 1,703,725.11 and 690,638.81 is: 953,118.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,535.45 : 1,703,725.11 = 690,638.81 : x
  2. Step 2: Convert to fraction form
    1,234,535.45/1,703,725.11 = 690,638.81/x
  3. Step 3: Cross multiply
    1,234,535.45x = 1,703,725.11 × 690,638.81
  4. Step 4: Simplify right side
    1,234,535.45x = 1,176,658,672,076.47
  5. Step 5: Solve for x
    x = 1,176,658,672,076.47/1,234,535.45
  6. Step 6: Final answer
    x = 953,118.57

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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.