Home / 886,880.72-1,223,893.32-484,475.60

Finding the Fourth Proportional to 886,880.72, 1,223,893.32 and 484,475.60

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Solution

The fourth proportional to 886,880.72, 1,223,893.32 and 484,475.60 is: 668,575.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,880.72 : 1,223,893.32 = 484,475.60 : x
  2. Step 2: Convert to fraction form
    886,880.72/1,223,893.32 = 484,475.60/x
  3. Step 3: Cross multiply
    886,880.72x = 1,223,893.32 × 484,475.60
  4. Step 4: Simplify right side
    886,880.72x = 592,946,450,542.99
  5. Step 5: Solve for x
    x = 592,946,450,542.99/886,880.72
  6. Step 6: Final answer
    x = 668,575.20

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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.