Home / 1,072,868.80-1,606,970.40-651,409.60

Finding the Fourth Proportional to 1,072,868.80, 1,606,970.40 and 651,409.60

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Solution

The fourth proportional to 1,072,868.80, 1,606,970.40 and 651,409.60 is: 975,698.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,868.80 : 1,606,970.40 = 651,409.60 : x
  2. Step 2: Convert to fraction form
    1,072,868.80/1,606,970.40 = 651,409.60/x
  3. Step 3: Cross multiply
    1,072,868.80x = 1,606,970.40 × 651,409.60
  4. Step 4: Simplify right side
    1,072,868.80x = 1,046,795,945,475.84
  5. Step 5: Solve for x
    x = 1,046,795,945,475.84/1,072,868.80
  6. Step 6: Final answer
    x = 975,698.00

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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.