Home / 891,004.40-1,336,506.60-536,418.80

Finding the Fourth Proportional to 891,004.40, 1,336,506.60 and 536,418.80

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Solution

The fourth proportional to 891,004.40, 1,336,506.60 and 536,418.80 is: 804,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,004.40 : 1,336,506.60 = 536,418.80 : x
  2. Step 2: Convert to fraction form
    891,004.40/1,336,506.60 = 536,418.80/x
  3. Step 3: Cross multiply
    891,004.40x = 1,336,506.60 × 536,418.80
  4. Step 4: Simplify right side
    891,004.40x = 716,927,266,564.08
  5. Step 5: Solve for x
    x = 716,927,266,564.08/891,004.40
  6. Step 6: Final answer
    x = 804,628.20

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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.