Home / 839,321.50-1,158,265.11-457,348.27

Finding the Fourth Proportional to 839,321.50, 1,158,265.11 and 457,348.27

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Solution

The fourth proportional to 839,321.50, 1,158,265.11 and 457,348.27 is: 631,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,321.50 : 1,158,265.11 = 457,348.27 : x
  2. Step 2: Convert to fraction form
    839,321.50/1,158,265.11 = 457,348.27/x
  3. Step 3: Cross multiply
    839,321.50x = 1,158,265.11 × 457,348.27
  4. Step 4: Simplify right side
    839,321.50x = 529,730,544,259.86
  5. Step 5: Solve for x
    x = 529,730,544,259.86/839,321.50
  6. Step 6: Final answer
    x = 631,141.40

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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.