Home / 1,992,786.34-2,989,680.09-572,845

Finding the Fourth Proportional to 1,992,786.34, 2,989,680.09 and 572,845

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Solution

The fourth proportional to 1,992,786.34, 2,989,680.09 and 572,845 is: 859,411.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,786.34 : 2,989,680.09 = 572,845 : x
  2. Step 2: Convert to fraction form
    1,992,786.34/2,989,680.09 = 572,845/x
  3. Step 3: Cross multiply
    1,992,786.34x = 2,989,680.09 × 572,845
  4. Step 4: Simplify right side
    1,992,786.34x = 1,712,623,291,156.05
  5. Step 5: Solve for x
    x = 1,712,623,291,156.05/1,992,786.34
  6. Step 6: Final answer
    x = 859,411.40

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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.