Home / 579,736.31-800,337.31-450,386.19

Finding the Fourth Proportional to 579,736.31, 800,337.31 and 450,386.19

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Solution

The fourth proportional to 579,736.31, 800,337.31 and 450,386.19 is: 621,766.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,736.31 : 800,337.31 = 450,386.19 : x
  2. Step 2: Convert to fraction form
    579,736.31/800,337.31 = 450,386.19/x
  3. Step 3: Cross multiply
    579,736.31x = 800,337.31 × 450,386.19
  4. Step 4: Simplify right side
    579,736.31x = 360,460,870,639.78
  5. Step 5: Solve for x
    x = 360,460,870,639.78/579,736.31
  6. Step 6: Final answer
    x = 621,766.94

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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.