Home / 907,645.30-1,361,322.15-276,412.30

Finding the Fourth Proportional to 907,645.30, 1,361,322.15 and 276,412.30

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Solution

The fourth proportional to 907,645.30, 1,361,322.15 and 276,412.30 is: 414,574.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,645.30 : 1,361,322.15 = 276,412.30 : x
  2. Step 2: Convert to fraction form
    907,645.30/1,361,322.15 = 276,412.30/x
  3. Step 3: Cross multiply
    907,645.30x = 1,361,322.15 × 276,412.30
  4. Step 4: Simplify right side
    907,645.30x = 376,286,186,522.45
  5. Step 5: Solve for x
    x = 376,286,186,522.45/907,645.30
  6. Step 6: Final answer
    x = 414,574.05

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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.