Home / 903,905.51-1,356,211.22-398,111.09

Finding the Fourth Proportional to 903,905.51, 1,356,211.22 and 398,111.09

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Solution

The fourth proportional to 903,905.51, 1,356,211.22 and 398,111.09 is: 597,322.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,905.51 : 1,356,211.22 = 398,111.09 : x
  2. Step 2: Convert to fraction form
    903,905.51/1,356,211.22 = 398,111.09/x
  3. Step 3: Cross multiply
    903,905.51x = 1,356,211.22 × 398,111.09
  4. Step 4: Simplify right side
    903,905.51x = 539,922,718,292.82
  5. Step 5: Solve for x
    x = 539,922,718,292.82/903,905.51
  6. Step 6: Final answer
    x = 597,322.08

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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.