Home / 450,722.31-621,973.16-246,734.16

Finding the Fourth Proportional to 450,722.31, 621,973.16 and 246,734.16

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Solution

The fourth proportional to 450,722.31, 621,973.16 and 246,734.16 is: 340,480.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,722.31 : 621,973.16 = 246,734.16 : x
  2. Step 2: Convert to fraction form
    450,722.31/621,973.16 = 246,734.16/x
  3. Step 3: Cross multiply
    450,722.31x = 621,973.16 × 246,734.16
  4. Step 4: Simplify right side
    450,722.31x = 153,462,025,175.15
  5. Step 5: Solve for x
    x = 153,462,025,175.15/450,722.31
  6. Step 6: Final answer
    x = 340,480.21

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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.