Home / 809,428.32-1,118,004.54-606,387.24

Finding the Fourth Proportional to 809,428.32, 1,118,004.54 and 606,387.24

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Solution

The fourth proportional to 809,428.32, 1,118,004.54 and 606,387.24 is: 837,558.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,428.32 : 1,118,004.54 = 606,387.24 : x
  2. Step 2: Convert to fraction form
    809,428.32/1,118,004.54 = 606,387.24/x
  3. Step 3: Cross multiply
    809,428.32x = 1,118,004.54 × 606,387.24
  4. Step 4: Simplify right side
    809,428.32x = 677,943,687,318.07
  5. Step 5: Solve for x
    x = 677,943,687,318.07/809,428.32
  6. Step 6: Final answer
    x = 837,558.65

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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.