Home / 561,279.36-837,824.64-490,419.84

Finding the Fourth Proportional to 561,279.36, 837,824.64 and 490,419.84

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Solution

The fourth proportional to 561,279.36, 837,824.64 and 490,419.84 is: 732,052.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,279.36 : 837,824.64 = 490,419.84 : x
  2. Step 2: Convert to fraction form
    561,279.36/837,824.64 = 490,419.84/x
  3. Step 3: Cross multiply
    561,279.36x = 837,824.64 × 490,419.84
  4. Step 4: Simplify right side
    561,279.36x = 410,885,825,896.86
  5. Step 5: Solve for x
    x = 410,885,825,896.86/561,279.36
  6. Step 6: Final answer
    x = 732,052.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.