Home / 805,571.48-1,112,213.45-500,096.70

Finding the Fourth Proportional to 805,571.48, 1,112,213.45 and 500,096.70

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Solution

The fourth proportional to 805,571.48, 1,112,213.45 and 500,096.70 is: 690,459.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,571.48 : 1,112,213.45 = 500,096.70 : x
  2. Step 2: Convert to fraction form
    805,571.48/1,112,213.45 = 500,096.70/x
  3. Step 3: Cross multiply
    805,571.48x = 1,112,213.45 × 500,096.70
  4. Step 4: Simplify right side
    805,571.48x = 556,214,277,290.86
  5. Step 5: Solve for x
    x = 556,214,277,290.86/805,571.48
  6. Step 6: Final answer
    x = 690,459.24

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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.