Home / 646,984.40-970,303.80-197,704.40

Finding the Fourth Proportional to 646,984.40, 970,303.80 and 197,704.40

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Solution

The fourth proportional to 646,984.40, 970,303.80 and 197,704.40 is: 296,503.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,984.40 : 970,303.80 = 197,704.40 : x
  2. Step 2: Convert to fraction form
    646,984.40/970,303.80 = 197,704.40/x
  3. Step 3: Cross multiply
    646,984.40x = 970,303.80 × 197,704.40
  4. Step 4: Simplify right side
    646,984.40x = 191,833,330,596.72
  5. Step 5: Solve for x
    x = 191,833,330,596.72/646,984.40
  6. Step 6: Final answer
    x = 296,503.80

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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.