Home / 913,256.40-1,369,884.60-493,352.40

Finding the Fourth Proportional to 913,256.40, 1,369,884.60 and 493,352.40

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Solution

The fourth proportional to 913,256.40, 1,369,884.60 and 493,352.40 is: 740,028.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,256.40 : 1,369,884.60 = 493,352.40 : x
  2. Step 2: Convert to fraction form
    913,256.40/1,369,884.60 = 493,352.40/x
  3. Step 3: Cross multiply
    913,256.40x = 1,369,884.60 × 493,352.40
  4. Step 4: Simplify right side
    913,256.40x = 675,835,855,133.04
  5. Step 5: Solve for x
    x = 675,835,855,133.04/913,256.40
  6. Step 6: Final answer
    x = 740,028.60

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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.