Home / 1,093,774.40-1,639,495.20-419,595.20

Finding the Fourth Proportional to 1,093,774.40, 1,639,495.20 and 419,595.20

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Solution

The fourth proportional to 1,093,774.40, 1,639,495.20 and 419,595.20 is: 628,945.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,774.40 : 1,639,495.20 = 419,595.20 : x
  2. Step 2: Convert to fraction form
    1,093,774.40/1,639,495.20 = 419,595.20/x
  3. Step 3: Cross multiply
    1,093,774.40x = 1,639,495.20 × 419,595.20
  4. Step 4: Simplify right side
    1,093,774.40x = 687,924,316,343.04
  5. Step 5: Solve for x
    x = 687,924,316,343.04/1,093,774.40
  6. Step 6: Final answer
    x = 628,945.34

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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.