Home / 570,719.43-856,135.76-210,984.53

Finding the Fourth Proportional to 570,719.43, 856,135.76 and 210,984.53

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Solution

The fourth proportional to 570,719.43, 856,135.76 and 210,984.53 is: 316,497.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,719.43 : 856,135.76 = 210,984.53 : x
  2. Step 2: Convert to fraction form
    570,719.43/856,135.76 = 210,984.53/x
  3. Step 3: Cross multiply
    570,719.43x = 856,135.76 × 210,984.53
  4. Step 4: Simplify right side
    570,719.43x = 180,631,400,939.79
  5. Step 5: Solve for x
    x = 180,631,400,939.79/570,719.43
  6. Step 6: Final answer
    x = 316,497.72

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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.