Home / 767,063.50-1,058,554.70-422,911.57

Finding the Fourth Proportional to 767,063.50, 1,058,554.70 and 422,911.57

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Solution

The fourth proportional to 767,063.50, 1,058,554.70 and 422,911.57 is: 583,621.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,063.50 : 1,058,554.70 = 422,911.57 : x
  2. Step 2: Convert to fraction form
    767,063.50/1,058,554.70 = 422,911.57/x
  3. Step 3: Cross multiply
    767,063.50x = 1,058,554.70 × 422,911.57
  4. Step 4: Simplify right side
    767,063.50x = 447,675,030,107.88
  5. Step 5: Solve for x
    x = 447,675,030,107.88/767,063.50
  6. Step 6: Final answer
    x = 583,621.86

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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.