Home / 711,627.95-1,067,442.92-290,903.82

Finding the Fourth Proportional to 711,627.95, 1,067,442.92 and 290,903.82

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Solution

The fourth proportional to 711,627.95, 1,067,442.92 and 290,903.82 is: 436,356.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,627.95 : 1,067,442.92 = 290,903.82 : x
  2. Step 2: Convert to fraction form
    711,627.95/1,067,442.92 = 290,903.82/x
  3. Step 3: Cross multiply
    711,627.95x = 1,067,442.92 × 290,903.82
  4. Step 4: Simplify right side
    711,627.95x = 310,523,223,059.95
  5. Step 5: Solve for x
    x = 310,523,223,059.95/711,627.95
  6. Step 6: Final answer
    x = 436,356.14

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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.