Home / 656,214-905,968.98-430,253.16

Finding the Fourth Proportional to 656,214, 905,968.98 and 430,253.16

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Solution

The fourth proportional to 656,214, 905,968.98 and 430,253.16 is: 594,007.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,214 : 905,968.98 = 430,253.16 : x
  2. Step 2: Convert to fraction form
    656,214/905,968.98 = 430,253.16/x
  3. Step 3: Cross multiply
    656,214x = 905,968.98 × 430,253.16
  4. Step 4: Simplify right side
    656,214x = 389,796,016,506.98
  5. Step 5: Solve for x
    x = 389,796,016,506.98/656,214
  6. Step 6: Final answer
    x = 594,007.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.