Home / 1,073,638.80-1,610,661.40-354,021.84

Finding the Fourth Proportional to 1,073,638.80, 1,610,661.40 and 354,021.84

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Solution

The fourth proportional to 1,073,638.80, 1,610,661.40 and 354,021.84 is: 531,099.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,638.80 : 1,610,661.40 = 354,021.84 : x
  2. Step 2: Convert to fraction form
    1,073,638.80/1,610,661.40 = 354,021.84/x
  3. Step 3: Cross multiply
    1,073,638.80x = 1,610,661.40 × 354,021.84
  4. Step 4: Simplify right side
    1,073,638.80x = 570,209,312,444.98
  5. Step 5: Solve for x
    x = 570,209,312,444.98/1,073,638.80
  6. Step 6: Final answer
    x = 531,099.76

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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.