Home / 740,934.18-1,022,483.52-401,400

Finding the Fourth Proportional to 740,934.18, 1,022,483.52 and 401,400

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Solution

The fourth proportional to 740,934.18, 1,022,483.52 and 401,400 is: 553,928.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,934.18 : 1,022,483.52 = 401,400 : x
  2. Step 2: Convert to fraction form
    740,934.18/1,022,483.52 = 401,400/x
  3. Step 3: Cross multiply
    740,934.18x = 1,022,483.52 × 401,400
  4. Step 4: Simplify right side
    740,934.18x = 410,424,884,928
  5. Step 5: Solve for x
    x = 410,424,884,928/740,934.18
  6. Step 6: Final answer
    x = 553,928.94

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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.