Home / 740,835.28-1,022,352.88-401,303.60

Finding the Fourth Proportional to 740,835.28, 1,022,352.88 and 401,303.60

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Solution

The fourth proportional to 740,835.28, 1,022,352.88 and 401,303.60 is: 553,799.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,835.28 : 1,022,352.88 = 401,303.60 : x
  2. Step 2: Convert to fraction form
    740,835.28/1,022,352.88 = 401,303.60/x
  3. Step 3: Cross multiply
    740,835.28x = 1,022,352.88 × 401,303.60
  4. Step 4: Simplify right side
    740,835.28x = 410,273,891,214.37
  5. Step 5: Solve for x
    x = 410,273,891,214.37/740,835.28
  6. Step 6: Final answer
    x = 553,799.07

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1.5x scale

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.