Home / 734,527.77-1,101,416.54-431,513.75

Finding the Fourth Proportional to 734,527.77, 1,101,416.54 and 431,513.75

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Solution

The fourth proportional to 734,527.77, 1,101,416.54 and 431,513.75 is: 647,050.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,527.77 : 1,101,416.54 = 431,513.75 : x
  2. Step 2: Convert to fraction form
    734,527.77/1,101,416.54 = 431,513.75/x
  3. Step 3: Cross multiply
    734,527.77x = 1,101,416.54 × 431,513.75
  4. Step 4: Simplify right side
    734,527.77x = 475,276,373,822.77
  5. Step 5: Solve for x
    x = 475,276,373,822.77/734,527.77
  6. Step 6: Final answer
    x = 647,050.25

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Double scale
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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.