Home / 763,623.32-1,053,738.72-441,354.29

Finding the Fourth Proportional to 763,623.32, 1,053,738.72 and 441,354.29

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Solution

The fourth proportional to 763,623.32, 1,053,738.72 and 441,354.29 is: 609,033.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,623.32 : 1,053,738.72 = 441,354.29 : x
  2. Step 2: Convert to fraction form
    763,623.32/1,053,738.72 = 441,354.29/x
  3. Step 3: Cross multiply
    763,623.32x = 1,053,738.72 × 441,354.29
  4. Step 4: Simplify right side
    763,623.32x = 465,072,099,342.42
  5. Step 5: Solve for x
    x = 465,072,099,342.42/763,623.32
  6. Step 6: Final answer
    x = 609,033.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.