Home / 1,298,670.16-1,791,640.80-863,298.04

Finding the Fourth Proportional to 1,298,670.16, 1,791,640.80 and 863,298.04

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Solution

The fourth proportional to 1,298,670.16, 1,791,640.80 and 863,298.04 is: 1,191,002.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,670.16 : 1,791,640.80 = 863,298.04 : x
  2. Step 2: Convert to fraction form
    1,298,670.16/1,791,640.80 = 863,298.04/x
  3. Step 3: Cross multiply
    1,298,670.16x = 1,791,640.80 × 863,298.04
  4. Step 4: Simplify right side
    1,298,670.16x = 1,546,719,991,024.03
  5. Step 5: Solve for x
    x = 1,546,719,991,024.03/1,298,670.16
  6. Step 6: Final answer
    x = 1,191,002.95

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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.