Home / 975,047.31-1,345,692.15-545,416.56

Finding the Fourth Proportional to 975,047.31, 1,345,692.15 and 545,416.56

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Solution

The fourth proportional to 975,047.31, 1,345,692.15 and 545,416.56 is: 752,745.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,047.31 : 1,345,692.15 = 545,416.56 : x
  2. Step 2: Convert to fraction form
    975,047.31/1,345,692.15 = 545,416.56/x
  3. Step 3: Cross multiply
    975,047.31x = 1,345,692.15 × 545,416.56
  4. Step 4: Simplify right side
    975,047.31x = 733,962,783,272.00
  5. Step 5: Solve for x
    x = 733,962,783,272.00/975,047.31
  6. Step 6: Final answer
    x = 752,745.82

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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.