Home / 933,131.23-1,287,931.12-610,654.48

Finding the Fourth Proportional to 933,131.23, 1,287,931.12 and 610,654.48

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Solution

The fourth proportional to 933,131.23, 1,287,931.12 and 610,654.48 is: 842,840.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,131.23 : 1,287,931.12 = 610,654.48 : x
  2. Step 2: Convert to fraction form
    933,131.23/1,287,931.12 = 610,654.48/x
  3. Step 3: Cross multiply
    933,131.23x = 1,287,931.12 × 610,654.48
  4. Step 4: Simplify right side
    933,131.23x = 786,480,903,612.95
  5. Step 5: Solve for x
    x = 786,480,903,612.95/933,131.23
  6. Step 6: Final answer
    x = 842,840.62

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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.