Home / 369,022.40-551,511.68-269,392.40

Finding the Fourth Proportional to 369,022.40, 551,511.68 and 269,392.40

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Solution

The fourth proportional to 369,022.40, 551,511.68 and 269,392.40 is: 402,612.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,022.40 : 551,511.68 = 269,392.40 : x
  2. Step 2: Convert to fraction form
    369,022.40/551,511.68 = 269,392.40/x
  3. Step 3: Cross multiply
    369,022.40x = 551,511.68 × 269,392.40
  4. Step 4: Simplify right side
    369,022.40x = 148,573,050,998.71
  5. Step 5: Solve for x
    x = 148,573,050,998.71/369,022.40
  6. Step 6: Final answer
    x = 402,612.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.