Home / 1,186,369.40-1,779,381.30-344,833.40

Finding the Fourth Proportional to 1,186,369.40, 1,779,381.30 and 344,833.40

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Solution

The fourth proportional to 1,186,369.40, 1,779,381.30 and 344,833.40 is: 517,199.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,369.40 : 1,779,381.30 = 344,833.40 : x
  2. Step 2: Convert to fraction form
    1,186,369.40/1,779,381.30 = 344,833.40/x
  3. Step 3: Cross multiply
    1,186,369.40x = 1,779,381.30 × 344,833.40
  4. Step 4: Simplify right side
    1,186,369.40x = 613,590,103,575.42
  5. Step 5: Solve for x
    x = 613,590,103,575.42/1,186,369.40
  6. Step 6: Final answer
    x = 517,199.87

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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.