Home / 877,823.54-1,211,396.58-475,415.54

Finding the Fourth Proportional to 877,823.54, 1,211,396.58 and 475,415.54

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Solution

The fourth proportional to 877,823.54, 1,211,396.58 and 475,415.54 is: 656,073.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,823.54 : 1,211,396.58 = 475,415.54 : x
  2. Step 2: Convert to fraction form
    877,823.54/1,211,396.58 = 475,415.54/x
  3. Step 3: Cross multiply
    877,823.54x = 1,211,396.58 × 475,415.54
  4. Step 4: Simplify right side
    877,823.54x = 575,916,759,234.85
  5. Step 5: Solve for x
    x = 575,916,759,234.85/877,823.54
  6. Step 6: Final answer
    x = 656,073.50

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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.