Home / 1,101,505.19-1,520,089.40-611,507.84

Finding the Fourth Proportional to 1,101,505.19, 1,520,089.40 and 611,507.84

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Solution

The fourth proportional to 1,101,505.19, 1,520,089.40 and 611,507.84 is: 843,887.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,505.19 : 1,520,089.40 = 611,507.84 : x
  2. Step 2: Convert to fraction form
    1,101,505.19/1,520,089.40 = 611,507.84/x
  3. Step 3: Cross multiply
    1,101,505.19x = 1,520,089.40 × 611,507.84
  4. Step 4: Simplify right side
    1,101,505.19x = 929,546,579,529.22
  5. Step 5: Solve for x
    x = 929,546,579,529.22/1,101,505.19
  6. Step 6: Final answer
    x = 843,887.61

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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.