Home / 370,827.24-511,656.51-209,647.16

Finding the Fourth Proportional to 370,827.24, 511,656.51 and 209,647.16

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Solution

The fourth proportional to 370,827.24, 511,656.51 and 209,647.16 is: 289,264.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,827.24 : 511,656.51 = 209,647.16 : x
  2. Step 2: Convert to fraction form
    370,827.24/511,656.51 = 209,647.16/x
  3. Step 3: Cross multiply
    370,827.24x = 511,656.51 × 209,647.16
  4. Step 4: Simplify right side
    370,827.24x = 107,267,334,217.01
  5. Step 5: Solve for x
    x = 107,267,334,217.01/370,827.24
  6. Step 6: Final answer
    x = 289,264.98

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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.