Home / 941,089.60-1,298,701.18-511,369.75

Finding the Fourth Proportional to 941,089.60, 1,298,701.18 and 511,369.75

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Solution

The fourth proportional to 941,089.60, 1,298,701.18 and 511,369.75 is: 705,688.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,089.60 : 1,298,701.18 = 511,369.75 : x
  2. Step 2: Convert to fraction form
    941,089.60/1,298,701.18 = 511,369.75/x
  3. Step 3: Cross multiply
    941,089.60x = 1,298,701.18 × 511,369.75
  4. Step 4: Simplify right side
    941,089.60x = 664,116,497,741.31
  5. Step 5: Solve for x
    x = 664,116,497,741.31/941,089.60
  6. Step 6: Final answer
    x = 705,688.91

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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.