Home / 943,653.39-1,415,496.50-312,583.61

Finding the Fourth Proportional to 943,653.39, 1,415,496.50 and 312,583.61

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Solution

The fourth proportional to 943,653.39, 1,415,496.50 and 312,583.61 is: 468,880.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,653.39 : 1,415,496.50 = 312,583.61 : x
  2. Step 2: Convert to fraction form
    943,653.39/1,415,496.50 = 312,583.61/x
  3. Step 3: Cross multiply
    943,653.39x = 1,415,496.50 × 312,583.61
  4. Step 4: Simplify right side
    943,653.39x = 442,460,997,271.97
  5. Step 5: Solve for x
    x = 442,460,997,271.97/943,653.39
  6. Step 6: Final answer
    x = 468,880.84

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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.