Home / 450,719.74-621,995.03-246,789.59

Finding the Fourth Proportional to 450,719.74, 621,995.03 and 246,789.59

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Solution

The fourth proportional to 450,719.74, 621,995.03 and 246,789.59 is: 340,570.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,719.74 : 621,995.03 = 246,789.59 : x
  2. Step 2: Convert to fraction form
    450,719.74/621,995.03 = 246,789.59/x
  3. Step 3: Cross multiply
    450,719.74x = 621,995.03 × 246,789.59
  4. Step 4: Simplify right side
    450,719.74x = 153,501,894,323.18
  5. Step 5: Solve for x
    x = 153,501,894,323.18/450,719.74
  6. Step 6: Final answer
    x = 340,570.60

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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.