Home / 1,143,999.72-1,716,451.56-434,216.16

Finding the Fourth Proportional to 1,143,999.72, 1,716,451.56 and 434,216.16

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Solution

The fourth proportional to 1,143,999.72, 1,716,451.56 and 434,216.16 is: 651,495.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,999.72 : 1,716,451.56 = 434,216.16 : x
  2. Step 2: Convert to fraction form
    1,143,999.72/1,716,451.56 = 434,216.16/x
  3. Step 3: Cross multiply
    1,143,999.72x = 1,716,451.56 × 434,216.16
  4. Step 4: Simplify right side
    1,143,999.72x = 745,311,005,209.21
  5. Step 5: Solve for x
    x = 745,311,005,209.21/1,143,999.72
  6. Step 6: Final answer
    x = 651,495.79

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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.