Home / 776,378.99-1,071,823.56-544,517.98

Finding the Fourth Proportional to 776,378.99, 1,071,823.56 and 544,517.98

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Solution

The fourth proportional to 776,378.99, 1,071,823.56 and 544,517.98 is: 751,729.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,378.99 : 1,071,823.56 = 544,517.98 : x
  2. Step 2: Convert to fraction form
    776,378.99/1,071,823.56 = 544,517.98/x
  3. Step 3: Cross multiply
    776,378.99x = 1,071,823.56 × 544,517.98
  4. Step 4: Simplify right side
    776,378.99x = 583,627,199,807.61
  5. Step 5: Solve for x
    x = 583,627,199,807.61/776,378.99
  6. Step 6: Final answer
    x = 751,729.77

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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.