Home / 450,826.61-622,140.88-246,890.21

Finding the Fourth Proportional to 450,826.61, 622,140.88 and 246,890.21

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Solution

The fourth proportional to 450,826.61, 622,140.88 and 246,890.21 is: 340,708.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,826.61 : 622,140.88 = 246,890.21 : x
  2. Step 2: Convert to fraction form
    450,826.61/622,140.88 = 246,890.21/x
  3. Step 3: Cross multiply
    450,826.61x = 622,140.88 × 246,890.21
  4. Step 4: Simplify right side
    450,826.61x = 153,600,492,052.94
  5. Step 5: Solve for x
    x = 153,600,492,052.94/450,826.61
  6. Step 6: Final answer
    x = 340,708.57

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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.