Home / 1,019,809.94-1,528,592.01-420,442.34

Finding the Fourth Proportional to 1,019,809.94, 1,528,592.01 and 420,442.34

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Solution

The fourth proportional to 1,019,809.94, 1,528,592.01 and 420,442.34 is: 630,200.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,809.94 : 1,528,592.01 = 420,442.34 : x
  2. Step 2: Convert to fraction form
    1,019,809.94/1,528,592.01 = 420,442.34/x
  3. Step 3: Cross multiply
    1,019,809.94x = 1,528,592.01 × 420,442.34
  4. Step 4: Simplify right side
    1,019,809.94x = 642,684,801,589.70
  5. Step 5: Solve for x
    x = 642,684,801,589.70/1,019,809.94
  6. Step 6: Final answer
    x = 630,200.57

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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.