Home / 905,511.84-1,358,539.38-365,490.30

Finding the Fourth Proportional to 905,511.84, 1,358,539.38 and 365,490.30

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Solution

The fourth proportional to 905,511.84, 1,358,539.38 and 365,490.30 is: 548,345.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,511.84 : 1,358,539.38 = 365,490.30 : x
  2. Step 2: Convert to fraction form
    905,511.84/1,358,539.38 = 365,490.30/x
  3. Step 3: Cross multiply
    905,511.84x = 1,358,539.38 × 365,490.30
  4. Step 4: Simplify right side
    905,511.84x = 496,532,965,558.01
  5. Step 5: Solve for x
    x = 496,532,965,558.01/905,511.84
  6. Step 6: Final answer
    x = 548,345.08

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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.