Home / 1,437,369.48-2,156,372.64-426,572.10

Finding the Fourth Proportional to 1,437,369.48, 2,156,372.64 and 426,572.10

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Solution

The fourth proportional to 1,437,369.48, 2,156,372.64 and 426,572.10 is: 639,952.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,369.48 : 2,156,372.64 = 426,572.10 : x
  2. Step 2: Convert to fraction form
    1,437,369.48/2,156,372.64 = 426,572.10/x
  3. Step 3: Cross multiply
    1,437,369.48x = 2,156,372.64 × 426,572.10
  4. Step 4: Simplify right side
    1,437,369.48x = 919,848,405,427.34
  5. Step 5: Solve for x
    x = 919,848,405,427.34/1,437,369.48
  6. Step 6: Final answer
    x = 639,952.65

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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.