Home / 914,219.66-1,261,588.28-500,749.86

Finding the Fourth Proportional to 914,219.66, 1,261,588.28 and 500,749.86

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Solution

The fourth proportional to 914,219.66, 1,261,588.28 and 500,749.86 is: 691,015.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,219.66 : 1,261,588.28 = 500,749.86 : x
  2. Step 2: Convert to fraction form
    914,219.66/1,261,588.28 = 500,749.86/x
  3. Step 3: Cross multiply
    914,219.66x = 1,261,588.28 × 500,749.86
  4. Step 4: Simplify right side
    914,219.66x = 631,740,154,587.64
  5. Step 5: Solve for x
    x = 631,740,154,587.64/914,219.66
  6. Step 6: Final answer
    x = 691,015.72

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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.