Home / 819,157.92-1,229,290.40-286,683.52

Finding the Fourth Proportional to 819,157.92, 1,229,290.40 and 286,683.52

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Solution

The fourth proportional to 819,157.92, 1,229,290.40 and 286,683.52 is: 430,219.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,157.92 : 1,229,290.40 = 286,683.52 : x
  2. Step 2: Convert to fraction form
    819,157.92/1,229,290.40 = 286,683.52/x
  3. Step 3: Cross multiply
    819,157.92x = 1,229,290.40 × 286,683.52
  4. Step 4: Simplify right side
    819,157.92x = 352,417,298,974.21
  5. Step 5: Solve for x
    x = 352,417,298,974.21/819,157.92
  6. Step 6: Final answer
    x = 430,219.00

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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.