Home / 885,039.51-1,327,567.01-286,000.59

Finding the Fourth Proportional to 885,039.51, 1,327,567.01 and 286,000.59

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Solution

The fourth proportional to 885,039.51, 1,327,567.01 and 286,000.59 is: 429,003.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,039.51 : 1,327,567.01 = 286,000.59 : x
  2. Step 2: Convert to fraction form
    885,039.51/1,327,567.01 = 286,000.59/x
  3. Step 3: Cross multiply
    885,039.51x = 1,327,567.01 × 286,000.59
  4. Step 4: Simplify right side
    885,039.51x = 379,684,946,694.53
  5. Step 5: Solve for x
    x = 379,684,946,694.53/885,039.51
  6. Step 6: Final answer
    x = 429,003.39

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Double scale
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Similar ratio
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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.