Home / 777,632.50-1,166,448.76-186,656.50

Finding the Fourth Proportional to 777,632.50, 1,166,448.76 and 186,656.50

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Solution

The fourth proportional to 777,632.50, 1,166,448.76 and 186,656.50 is: 279,984.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,632.50 : 1,166,448.76 = 186,656.50 : x
  2. Step 2: Convert to fraction form
    777,632.50/1,166,448.76 = 186,656.50/x
  3. Step 3: Cross multiply
    777,632.50x = 1,166,448.76 × 186,656.50
  4. Step 4: Simplify right side
    777,632.50x = 217,725,242,970.94
  5. Step 5: Solve for x
    x = 217,725,242,970.94/777,632.50
  6. Step 6: Final answer
    x = 279,984.75

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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.