Home / 886,872.80-1,330,309.20-603,437.60

Finding the Fourth Proportional to 886,872.80, 1,330,309.20 and 603,437.60

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Solution

The fourth proportional to 886,872.80, 1,330,309.20 and 603,437.60 is: 905,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,872.80 : 1,330,309.20 = 603,437.60 : x
  2. Step 2: Convert to fraction form
    886,872.80/1,330,309.20 = 603,437.60/x
  3. Step 3: Cross multiply
    886,872.80x = 1,330,309.20 × 603,437.60
  4. Step 4: Simplify right side
    886,872.80x = 802,758,590,905.92
  5. Step 5: Solve for x
    x = 802,758,590,905.92/886,872.80
  6. Step 6: Final answer
    x = 905,156.40

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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.