Home / 677,582.40-1,016,776.80-256,900.80

Finding the Fourth Proportional to 677,582.40, 1,016,776.80 and 256,900.80

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Solution

The fourth proportional to 677,582.40, 1,016,776.80 and 256,900.80 is: 385,504.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,582.40 : 1,016,776.80 = 256,900.80 : x
  2. Step 2: Convert to fraction form
    677,582.40/1,016,776.80 = 256,900.80/x
  3. Step 3: Cross multiply
    677,582.40x = 1,016,776.80 × 256,900.80
  4. Step 4: Simplify right side
    677,582.40x = 261,210,773,341.44
  5. Step 5: Solve for x
    x = 261,210,773,341.44/677,582.40
  6. Step 6: Final answer
    x = 385,504.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.