Home / 1,036,107.75-1,555,047.36-405,464.43

Finding the Fourth Proportional to 1,036,107.75, 1,555,047.36 and 405,464.43

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Solution

The fourth proportional to 1,036,107.75, 1,555,047.36 and 405,464.43 is: 608,543.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,107.75 : 1,555,047.36 = 405,464.43 : x
  2. Step 2: Convert to fraction form
    1,036,107.75/1,555,047.36 = 405,464.43/x
  3. Step 3: Cross multiply
    1,036,107.75x = 1,555,047.36 × 405,464.43
  4. Step 4: Simplify right side
    1,036,107.75x = 630,516,391,445.41
  5. Step 5: Solve for x
    x = 630,516,391,445.41/1,036,107.75
  6. Step 6: Final answer
    x = 608,543.26

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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.