Home / 656,829.42-985,613.13-357,330.94

Finding the Fourth Proportional to 656,829.42, 985,613.13 and 357,330.94

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Solution

The fourth proportional to 656,829.42, 985,613.13 and 357,330.94 is: 536,197.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,829.42 : 985,613.13 = 357,330.94 : x
  2. Step 2: Convert to fraction form
    656,829.42/985,613.13 = 357,330.94/x
  3. Step 3: Cross multiply
    656,829.42x = 985,613.13 × 357,330.94
  4. Step 4: Simplify right side
    656,829.42x = 352,190,066,219.24
  5. Step 5: Solve for x
    x = 352,190,066,219.24/656,829.42
  6. Step 6: Final answer
    x = 536,197.15

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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.