Home / 446,260.10-614,811.21-308,306.87

Finding the Fourth Proportional to 446,260.10, 614,811.21 and 308,306.87

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Solution

The fourth proportional to 446,260.10, 614,811.21 and 308,306.87 is: 424,753.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,260.10 : 614,811.21 = 308,306.87 : x
  2. Step 2: Convert to fraction form
    446,260.10/614,811.21 = 308,306.87/x
  3. Step 3: Cross multiply
    446,260.10x = 614,811.21 × 308,306.87
  4. Step 4: Simplify right side
    446,260.10x = 189,550,517,871.35
  5. Step 5: Solve for x
    x = 189,550,517,871.35/446,260.10
  6. Step 6: Final answer
    x = 424,753.46

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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.