Home / 877,093.80-1,315,856.70-245,999.40

Finding the Fourth Proportional to 877,093.80, 1,315,856.70 and 245,999.40

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Solution

The fourth proportional to 877,093.80, 1,315,856.70 and 245,999.40 is: 369,059.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,093.80 : 1,315,856.70 = 245,999.40 : x
  2. Step 2: Convert to fraction form
    877,093.80/1,315,856.70 = 245,999.40/x
  3. Step 3: Cross multiply
    877,093.80x = 1,315,856.70 × 245,999.40
  4. Step 4: Simplify right side
    877,093.80x = 323,699,958,685.98
  5. Step 5: Solve for x
    x = 323,699,958,685.98/877,093.80
  6. Step 6: Final answer
    x = 369,059.68

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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.