Home / 511,943.95-706,623.15-297,153.21

Finding the Fourth Proportional to 511,943.95, 706,623.15 and 297,153.21

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Solution

The fourth proportional to 511,943.95, 706,623.15 and 297,153.21 is: 410,152.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,943.95 : 706,623.15 = 297,153.21 : x
  2. Step 2: Convert to fraction form
    511,943.95/706,623.15 = 297,153.21/x
  3. Step 3: Cross multiply
    511,943.95x = 706,623.15 × 297,153.21
  4. Step 4: Simplify right side
    511,943.95x = 209,975,337,282.81
  5. Step 5: Solve for x
    x = 209,975,337,282.81/511,943.95
  6. Step 6: Final answer
    x = 410,152.98

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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.