Home / 864,062.90-1,295,980.52-256,838.24

Finding the Fourth Proportional to 864,062.90, 1,295,980.52 and 256,838.24

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Solution

The fourth proportional to 864,062.90, 1,295,980.52 and 256,838.24 is: 385,223.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,062.90 : 1,295,980.52 = 256,838.24 : x
  2. Step 2: Convert to fraction form
    864,062.90/1,295,980.52 = 256,838.24/x
  3. Step 3: Cross multiply
    864,062.90x = 1,295,980.52 × 256,838.24
  4. Step 4: Simplify right side
    864,062.90x = 332,857,355,831.09
  5. Step 5: Solve for x
    x = 332,857,355,831.09/864,062.90
  6. Step 6: Final answer
    x = 385,223.52

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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.