Home / 1,191,256.40-1,786,711.80-349,720.40

Finding the Fourth Proportional to 1,191,256.40, 1,786,711.80 and 349,720.40

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Solution

The fourth proportional to 1,191,256.40, 1,786,711.80 and 349,720.40 is: 524,529.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,256.40 : 1,786,711.80 = 349,720.40 : x
  2. Step 2: Convert to fraction form
    1,191,256.40/1,786,711.80 = 349,720.40/x
  3. Step 3: Cross multiply
    1,191,256.40x = 1,786,711.80 × 349,720.40
  4. Step 4: Simplify right side
    1,191,256.40x = 624,849,565,380.72
  5. Step 5: Solve for x
    x = 624,849,565,380.72/1,191,256.40
  6. Step 6: Final answer
    x = 524,529.87

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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.