Home / 1,311,547.84-1,967,391.51-413,059.84

Finding the Fourth Proportional to 1,311,547.84, 1,967,391.51 and 413,059.84

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Solution

The fourth proportional to 1,311,547.84, 1,967,391.51 and 413,059.84 is: 619,611.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,547.84 : 1,967,391.51 = 413,059.84 : x
  2. Step 2: Convert to fraction form
    1,311,547.84/1,967,391.51 = 413,059.84/x
  3. Step 3: Cross multiply
    1,311,547.84x = 1,967,391.51 × 413,059.84
  4. Step 4: Simplify right side
    1,311,547.84x = 812,650,422,337.96
  5. Step 5: Solve for x
    x = 812,650,422,337.96/1,311,547.84
  6. Step 6: Final answer
    x = 619,611.73

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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.