Home / 856,554.60-1,284,831.90-265,501.80

Finding the Fourth Proportional to 856,554.60, 1,284,831.90 and 265,501.80

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Solution

The fourth proportional to 856,554.60, 1,284,831.90 and 265,501.80 is: 398,252.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,554.60 : 1,284,831.90 = 265,501.80 : x
  2. Step 2: Convert to fraction form
    856,554.60/1,284,831.90 = 265,501.80/x
  3. Step 3: Cross multiply
    856,554.60x = 1,284,831.90 × 265,501.80
  4. Step 4: Simplify right side
    856,554.60x = 341,125,182,147.42
  5. Step 5: Solve for x
    x = 341,125,182,147.42/856,554.60
  6. Step 6: Final answer
    x = 398,252.70

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Similar ratio
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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.