Home / 446,334.36-615,635.64-285,117.84

Finding the Fourth Proportional to 446,334.36, 615,635.64 and 285,117.84

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Solution

The fourth proportional to 446,334.36, 615,635.64 and 285,117.84 is: 393,267.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,334.36 : 615,635.64 = 285,117.84 : x
  2. Step 2: Convert to fraction form
    446,334.36/615,635.64 = 285,117.84/x
  3. Step 3: Cross multiply
    446,334.36x = 615,635.64 × 285,117.84
  4. Step 4: Simplify right side
    446,334.36x = 175,528,703,903.82
  5. Step 5: Solve for x
    x = 175,528,703,903.82/446,334.36
  6. Step 6: Final answer
    x = 393,267.29

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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.