Home / 776,137.50-1,071,069.48-436,605.75

Finding the Fourth Proportional to 776,137.50, 1,071,069.48 and 436,605.75

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Solution

The fourth proportional to 776,137.50, 1,071,069.48 and 436,605.75 is: 602,515.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,137.50 : 1,071,069.48 = 436,605.75 : x
  2. Step 2: Convert to fraction form
    776,137.50/1,071,069.48 = 436,605.75/x
  3. Step 3: Cross multiply
    776,137.50x = 1,071,069.48 × 436,605.75
  4. Step 4: Simplify right side
    776,137.50x = 467,635,093,617.51
  5. Step 5: Solve for x
    x = 467,635,093,617.51/776,137.50
  6. Step 6: Final answer
    x = 602,515.78

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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.