Home / 350,619.20-525,928.80-217,066.40

Finding the Fourth Proportional to 350,619.20, 525,928.80 and 217,066.40

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Solution

The fourth proportional to 350,619.20, 525,928.80 and 217,066.40 is: 325,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,619.20 : 525,928.80 = 217,066.40 : x
  2. Step 2: Convert to fraction form
    350,619.20/525,928.80 = 217,066.40/x
  3. Step 3: Cross multiply
    350,619.20x = 525,928.80 × 217,066.40
  4. Step 4: Simplify right side
    350,619.20x = 114,161,471,272.32
  5. Step 5: Solve for x
    x = 114,161,471,272.32/350,619.20
  6. Step 6: Final answer
    x = 325,599.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.