Home / 937,109-1,405,702.38-272,261

Finding the Fourth Proportional to 937,109, 1,405,702.38 and 272,261

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Solution

The fourth proportional to 937,109, 1,405,702.38 and 272,261 is: 408,402.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,109 : 1,405,702.38 = 272,261 : x
  2. Step 2: Convert to fraction form
    937,109/1,405,702.38 = 272,261/x
  3. Step 3: Cross multiply
    937,109x = 1,405,702.38 × 272,261
  4. Step 4: Simplify right side
    937,109x = 382,717,935,681.18
  5. Step 5: Solve for x
    x = 382,717,935,681.18/937,109
  6. Step 6: Final answer
    x = 408,402.80

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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.