Home / 899,009.36-1,240,527.24-496,577.36

Finding the Fourth Proportional to 899,009.36, 1,240,527.24 and 496,577.36

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Solution

The fourth proportional to 899,009.36, 1,240,527.24 and 496,577.36 is: 685,218.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,009.36 : 1,240,527.24 = 496,577.36 : x
  2. Step 2: Convert to fraction form
    899,009.36/1,240,527.24 = 496,577.36/x
  3. Step 3: Cross multiply
    899,009.36x = 1,240,527.24 × 496,577.36
  4. Step 4: Simplify right side
    899,009.36x = 616,017,741,847.29
  5. Step 5: Solve for x
    x = 616,017,741,847.29/899,009.36
  6. Step 6: Final answer
    x = 685,218.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.