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Finding the Fourth Proportional to 1,411,418, 1,947,756.84 and 775,514

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Solution

The fourth proportional to 1,411,418, 1,947,756.84 and 775,514 is: 1,070,209.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,418 : 1,947,756.84 = 775,514 : x
  2. Step 2: Convert to fraction form
    1,411,418/1,947,756.84 = 775,514/x
  3. Step 3: Cross multiply
    1,411,418x = 1,947,756.84 × 775,514
  4. Step 4: Simplify right side
    1,411,418x = 1,510,512,698,015.76
  5. Step 5: Solve for x
    x = 1,510,512,698,015.76/1,411,418
  6. Step 6: Final answer
    x = 1,070,209.32

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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.