Home / 763,618.07-1,053,731.48-441,349.04

Finding the Fourth Proportional to 763,618.07, 1,053,731.48 and 441,349.04

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Solution

The fourth proportional to 763,618.07, 1,053,731.48 and 441,349.04 is: 609,026.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,618.07 : 1,053,731.48 = 441,349.04 : x
  2. Step 2: Convert to fraction form
    763,618.07/1,053,731.48 = 441,349.04/x
  3. Step 3: Cross multiply
    763,618.07x = 1,053,731.48 × 441,349.04
  4. Step 4: Simplify right side
    763,618.07x = 465,063,369,640.38
  5. Step 5: Solve for x
    x = 465,063,369,640.38/763,618.07
  6. Step 6: Final answer
    x = 609,026.15

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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.