Home / 893,788.75-1,338,888.07-413,343.12

Finding the Fourth Proportional to 893,788.75, 1,338,888.07 and 413,343.12

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Solution

The fourth proportional to 893,788.75, 1,338,888.07 and 413,343.12 is: 619,184.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,788.75 : 1,338,888.07 = 413,343.12 : x
  2. Step 2: Convert to fraction form
    893,788.75/1,338,888.07 = 413,343.12/x
  3. Step 3: Cross multiply
    893,788.75x = 1,338,888.07 × 413,343.12
  4. Step 4: Simplify right side
    893,788.75x = 553,420,167,804.00
  5. Step 5: Solve for x
    x = 553,420,167,804.00/893,788.75
  6. Step 6: Final answer
    x = 619,184.53

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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.