Home / 943,415.88-1,301,908.37-513,694.98

Finding the Fourth Proportional to 943,415.88, 1,301,908.37 and 513,694.98

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Solution

The fourth proportional to 943,415.88, 1,301,908.37 and 513,694.98 is: 708,896.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,415.88 : 1,301,908.37 = 513,694.98 : x
  2. Step 2: Convert to fraction form
    943,415.88/1,301,908.37 = 513,694.98/x
  3. Step 3: Cross multiply
    943,415.88x = 1,301,908.37 × 513,694.98
  4. Step 4: Simplify right side
    943,415.88x = 668,783,794,088.98
  5. Step 5: Solve for x
    x = 668,783,794,088.98/943,415.88
  6. Step 6: Final answer
    x = 708,896.05

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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.