Home / 1,146,490.20-1,719,735.30-472,347.45

Finding the Fourth Proportional to 1,146,490.20, 1,719,735.30 and 472,347.45

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Solution

The fourth proportional to 1,146,490.20, 1,719,735.30 and 472,347.45 is: 708,521.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,490.20 : 1,719,735.30 = 472,347.45 : x
  2. Step 2: Convert to fraction form
    1,146,490.20/1,719,735.30 = 472,347.45/x
  3. Step 3: Cross multiply
    1,146,490.20x = 1,719,735.30 × 472,347.45
  4. Step 4: Simplify right side
    1,146,490.20x = 812,312,583,629.99
  5. Step 5: Solve for x
    x = 812,312,583,629.99/1,146,490.20
  6. Step 6: Final answer
    x = 708,521.18

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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.