Home / 783,687.02-1,081,500.26-439,599.35

Finding the Fourth Proportional to 783,687.02, 1,081,500.26 and 439,599.35

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Solution

The fourth proportional to 783,687.02, 1,081,500.26 and 439,599.35 is: 606,653.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,687.02 : 1,081,500.26 = 439,599.35 : x
  2. Step 2: Convert to fraction form
    783,687.02/1,081,500.26 = 439,599.35/x
  3. Step 3: Cross multiply
    783,687.02x = 1,081,500.26 × 439,599.35
  4. Step 4: Simplify right side
    783,687.02x = 475,426,811,826.59
  5. Step 5: Solve for x
    x = 475,426,811,826.59/783,687.02
  6. Step 6: Final answer
    x = 606,653.94

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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.