Home / 692,519.88-948,747.74-666,623.34

Finding the Fourth Proportional to 692,519.88, 948,747.74 and 666,623.34

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Solution

The fourth proportional to 692,519.88, 948,747.74 and 666,623.34 is: 913,269.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,519.88 : 948,747.74 = 666,623.34 : x
  2. Step 2: Convert to fraction form
    692,519.88/948,747.74 = 666,623.34/x
  3. Step 3: Cross multiply
    692,519.88x = 948,747.74 × 666,623.34
  4. Step 4: Simplify right side
    692,519.88x = 632,457,383,923.14
  5. Step 5: Solve for x
    x = 632,457,383,923.14/692,519.88
  6. Step 6: Final answer
    x = 913,269.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.