Home / 559,917.20-839,875.80-335,968.40

Finding the Fourth Proportional to 559,917.20, 839,875.80 and 335,968.40

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Solution

The fourth proportional to 559,917.20, 839,875.80 and 335,968.40 is: 503,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,917.20 : 839,875.80 = 335,968.40 : x
  2. Step 2: Convert to fraction form
    559,917.20/839,875.80 = 335,968.40/x
  3. Step 3: Cross multiply
    559,917.20x = 839,875.80 × 335,968.40
  4. Step 4: Simplify right side
    559,917.20x = 282,171,728,724.72
  5. Step 5: Solve for x
    x = 282,171,728,724.72/559,917.20
  6. Step 6: Final answer
    x = 503,952.60

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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.