Home / 945,457.50-1,417,390.77-439,761.54

Finding the Fourth Proportional to 945,457.50, 1,417,390.77 and 439,761.54

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Solution

The fourth proportional to 945,457.50, 1,417,390.77 and 439,761.54 is: 659,272.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,457.50 : 1,417,390.77 = 439,761.54 : x
  2. Step 2: Convert to fraction form
    945,457.50/1,417,390.77 = 439,761.54/x
  3. Step 3: Cross multiply
    945,457.50x = 1,417,390.77 × 439,761.54
  4. Step 4: Simplify right side
    945,457.50x = 623,313,947,796.99
  5. Step 5: Solve for x
    x = 623,313,947,796.99/945,457.50
  6. Step 6: Final answer
    x = 659,272.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.