Home / 832,781.44-1,248,985.32-383,070.43

Finding the Fourth Proportional to 832,781.44, 1,248,985.32 and 383,070.43

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Solution

The fourth proportional to 832,781.44, 1,248,985.32 and 383,070.43 is: 574,519.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,781.44 : 1,248,985.32 = 383,070.43 : x
  2. Step 2: Convert to fraction form
    832,781.44/1,248,985.32 = 383,070.43/x
  3. Step 3: Cross multiply
    832,781.44x = 1,248,985.32 × 383,070.43
  4. Step 4: Simplify right side
    832,781.44x = 478,449,343,596.09
  5. Step 5: Solve for x
    x = 478,449,343,596.09/832,781.44
  6. Step 6: Final answer
    x = 574,519.70

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1.5x scale

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.