Home / 852,980.84-1,177,113.54-471,008.36

Finding the Fourth Proportional to 852,980.84, 1,177,113.54 and 471,008.36

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Solution

The fourth proportional to 852,980.84, 1,177,113.54 and 471,008.36 is: 649,991.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,980.84 : 1,177,113.54 = 471,008.36 : x
  2. Step 2: Convert to fraction form
    852,980.84/1,177,113.54 = 471,008.36/x
  3. Step 3: Cross multiply
    852,980.84x = 1,177,113.54 × 471,008.36
  4. Step 4: Simplify right side
    852,980.84x = 554,430,318,009.19
  5. Step 5: Solve for x
    x = 554,430,318,009.19/852,980.84
  6. Step 6: Final answer
    x = 649,991.53

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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.