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Finding the Fourth Proportional to 1,114,372, 1,537,833.36 and 637,444

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Solution

The fourth proportional to 1,114,372, 1,537,833.36 and 637,444 is: 879,672.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,372 : 1,537,833.36 = 637,444 : x
  2. Step 2: Convert to fraction form
    1,114,372/1,537,833.36 = 637,444/x
  3. Step 3: Cross multiply
    1,114,372x = 1,537,833.36 × 637,444
  4. Step 4: Simplify right side
    1,114,372x = 980,282,648,331.84
  5. Step 5: Solve for x
    x = 980,282,648,331.84/1,114,372
  6. Step 6: Final answer
    x = 879,672.72

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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.