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Finding the Fourth Proportional to 1,114,374, 1,537,836.12 and 637,446

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Solution

The fourth proportional to 1,114,374, 1,537,836.12 and 637,446 is: 879,675.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,374 : 1,537,836.12 = 637,446 : x
  2. Step 2: Convert to fraction form
    1,114,374/1,537,836.12 = 637,446/x
  3. Step 3: Cross multiply
    1,114,374x = 1,537,836.12 × 637,446
  4. Step 4: Simplify right side
    1,114,374x = 980,287,483,349.52
  5. Step 5: Solve for x
    x = 980,287,483,349.52/1,114,374
  6. Step 6: Final answer
    x = 879,675.48

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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.