Home / 450,675.61-621,931.37-246,724.88

Finding the Fourth Proportional to 450,675.61, 621,931.37 and 246,724.88

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Solution

The fourth proportional to 450,675.61, 621,931.37 and 246,724.88 is: 340,479.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,675.61 : 621,931.37 = 246,724.88 : x
  2. Step 2: Convert to fraction form
    450,675.61/621,931.37 = 246,724.88/x
  3. Step 3: Cross multiply
    450,675.61x = 621,931.37 × 246,724.88
  4. Step 4: Simplify right side
    450,675.61x = 153,445,938,288.20
  5. Step 5: Solve for x
    x = 153,445,938,288.20/450,675.61
  6. Step 6: Final answer
    x = 340,479.79

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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.