Home / 867,950.93-1,197,719.45-480,743.40

Finding the Fourth Proportional to 867,950.93, 1,197,719.45 and 480,743.40

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Solution

The fourth proportional to 867,950.93, 1,197,719.45 and 480,743.40 is: 663,396.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,950.93 : 1,197,719.45 = 480,743.40 : x
  2. Step 2: Convert to fraction form
    867,950.93/1,197,719.45 = 480,743.40/x
  3. Step 3: Cross multiply
    867,950.93x = 1,197,719.45 × 480,743.40
  4. Step 4: Simplify right side
    867,950.93x = 575,795,716,442.97
  5. Step 5: Solve for x
    x = 575,795,716,442.97/867,950.93
  6. Step 6: Final answer
    x = 663,396.62

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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.