Home / 876,636.80-1,314,955.20-561,708.80

Finding the Fourth Proportional to 876,636.80, 1,314,955.20 and 561,708.80

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Solution

The fourth proportional to 876,636.80, 1,314,955.20 and 561,708.80 is: 842,563.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,636.80 : 1,314,955.20 = 561,708.80 : x
  2. Step 2: Convert to fraction form
    876,636.80/1,314,955.20 = 561,708.80/x
  3. Step 3: Cross multiply
    876,636.80x = 1,314,955.20 × 561,708.80
  4. Step 4: Simplify right side
    876,636.80x = 738,621,907,445.76
  5. Step 5: Solve for x
    x = 738,621,907,445.76/876,636.80
  6. Step 6: Final answer
    x = 842,563.20

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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.