Home / 456,412.90-684,473.55-190,109.20

Finding the Fourth Proportional to 456,412.90, 684,473.55 and 190,109.20

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Solution

The fourth proportional to 456,412.90, 684,473.55 and 190,109.20 is: 285,103.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,412.90 : 684,473.55 = 190,109.20 : x
  2. Step 2: Convert to fraction form
    456,412.90/684,473.55 = 190,109.20/x
  3. Step 3: Cross multiply
    456,412.90x = 684,473.55 × 190,109.20
  4. Step 4: Simplify right side
    456,412.90x = 130,124,719,011.66
  5. Step 5: Solve for x
    x = 130,124,719,011.66/456,412.90
  6. Step 6: Final answer
    x = 285,103.07

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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.