Home / 1,124,207.46-1,686,333.15-413,869.86

Finding the Fourth Proportional to 1,124,207.46, 1,686,333.15 and 413,869.86

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Solution

The fourth proportional to 1,124,207.46, 1,686,333.15 and 413,869.86 is: 620,812.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,207.46 : 1,686,333.15 = 413,869.86 : x
  2. Step 2: Convert to fraction form
    1,124,207.46/1,686,333.15 = 413,869.86/x
  3. Step 3: Cross multiply
    1,124,207.46x = 1,686,333.15 × 413,869.86
  4. Step 4: Simplify right side
    1,124,207.46x = 697,922,464,703.86
  5. Step 5: Solve for x
    x = 697,922,464,703.86/1,124,207.46
  6. Step 6: Final answer
    x = 620,812.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.