Home / 862,941.13-1,190,864.64-480,992.92

Finding the Fourth Proportional to 862,941.13, 1,190,864.64 and 480,992.92

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Solution

The fourth proportional to 862,941.13, 1,190,864.64 and 480,992.92 is: 663,773.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,941.13 : 1,190,864.64 = 480,992.92 : x
  2. Step 2: Convert to fraction form
    862,941.13/1,190,864.64 = 480,992.92/x
  3. Step 3: Cross multiply
    862,941.13x = 1,190,864.64 × 480,992.92
  4. Step 4: Simplify right side
    862,941.13x = 572,797,460,518.35
  5. Step 5: Solve for x
    x = 572,797,460,518.35/862,941.13
  6. Step 6: Final answer
    x = 663,773.51

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Double scale
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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.