Home / 566,536.07-781,822.73-311,887.26

Finding the Fourth Proportional to 566,536.07, 781,822.73 and 311,887.26

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Solution

The fourth proportional to 566,536.07, 781,822.73 and 311,887.26 is: 430,406.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,536.07 : 781,822.73 = 311,887.26 : x
  2. Step 2: Convert to fraction form
    566,536.07/781,822.73 = 311,887.26/x
  3. Step 3: Cross multiply
    566,536.07x = 781,822.73 × 311,887.26
  4. Step 4: Simplify right side
    566,536.07x = 243,840,549,845.14
  5. Step 5: Solve for x
    x = 243,840,549,845.14/566,536.07
  6. Step 6: Final answer
    x = 430,406.04

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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.