Home / 449,475.18-620,277.89-245,528.93

Finding the Fourth Proportional to 449,475.18, 620,277.89 and 245,528.93

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Solution

The fourth proportional to 449,475.18, 620,277.89 and 245,528.93 is: 338,831.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,475.18 : 620,277.89 = 245,528.93 : x
  2. Step 2: Convert to fraction form
    449,475.18/620,277.89 = 245,528.93/x
  3. Step 3: Cross multiply
    449,475.18x = 620,277.89 × 245,528.93
  4. Step 4: Simplify right side
    449,475.18x = 152,296,162,305.32
  5. Step 5: Solve for x
    x = 152,296,162,305.32/449,475.18
  6. Step 6: Final answer
    x = 338,831.08

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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.