Home / 776,289.06-1,071,267.93-436,756.50

Finding the Fourth Proportional to 776,289.06, 1,071,267.93 and 436,756.50

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Solution

The fourth proportional to 776,289.06, 1,071,267.93 and 436,756.50 is: 602,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,289.06 : 1,071,267.93 = 436,756.50 : x
  2. Step 2: Convert to fraction form
    776,289.06/1,071,267.93 = 436,756.50/x
  3. Step 3: Cross multiply
    776,289.06x = 1,071,267.93 × 436,756.50
  4. Step 4: Simplify right side
    776,289.06x = 467,883,231,669.05
  5. Step 5: Solve for x
    x = 467,883,231,669.05/776,289.06
  6. Step 6: Final answer
    x = 602,717.80

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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.