Home / 380,724.77-525,639.08-244,994.59

Finding the Fourth Proportional to 380,724.77, 525,639.08 and 244,994.59

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Solution

The fourth proportional to 380,724.77, 525,639.08 and 244,994.59 is: 338,246.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,724.77 : 525,639.08 = 244,994.59 : x
  2. Step 2: Convert to fraction form
    380,724.77/525,639.08 = 244,994.59/x
  3. Step 3: Cross multiply
    380,724.77x = 525,639.08 × 244,994.59
  4. Step 4: Simplify right side
    380,724.77x = 128,778,731,473.07
  5. Step 5: Solve for x
    x = 128,778,731,473.07/380,724.77
  6. Step 6: Final answer
    x = 338,246.26

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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.