Home / 577,520.27-862,050.41-509,344.19

Finding the Fourth Proportional to 577,520.27, 862,050.41 and 509,344.19

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Solution

The fourth proportional to 577,520.27, 862,050.41 and 509,344.19 is: 760,285.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,520.27 : 862,050.41 = 509,344.19 : x
  2. Step 2: Convert to fraction form
    577,520.27/862,050.41 = 509,344.19/x
  3. Step 3: Cross multiply
    577,520.27x = 862,050.41 × 509,344.19
  4. Step 4: Simplify right side
    577,520.27x = 439,080,364,783.73
  5. Step 5: Solve for x
    x = 439,080,364,783.73/577,520.27
  6. Step 6: Final answer
    x = 760,285.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.