Home / 348,022.40-522,033.60-308,364.80

Finding the Fourth Proportional to 348,022.40, 522,033.60 and 308,364.80

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Solution

The fourth proportional to 348,022.40, 522,033.60 and 308,364.80 is: 462,547.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,022.40 : 522,033.60 = 308,364.80 : x
  2. Step 2: Convert to fraction form
    348,022.40/522,033.60 = 308,364.80/x
  3. Step 3: Cross multiply
    348,022.40x = 522,033.60 × 308,364.80
  4. Step 4: Simplify right side
    348,022.40x = 160,976,786,657.28
  5. Step 5: Solve for x
    x = 160,976,786,657.28/348,022.40
  6. Step 6: Final answer
    x = 462,547.20

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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.