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Finding the Fourth Proportional to 984,866.14, 1,359,075.90 and 555,235.52

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Solution

The fourth proportional to 984,866.14, 1,359,075.90 and 555,235.52 is: 766,202.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,866.14 : 1,359,075.90 = 555,235.52 : x
  2. Step 2: Convert to fraction form
    984,866.14/1,359,075.90 = 555,235.52/x
  3. Step 3: Cross multiply
    984,866.14x = 1,359,075.90 × 555,235.52
  4. Step 4: Simplify right side
    984,866.14x = 754,607,217,453.66
  5. Step 5: Solve for x
    x = 754,607,217,453.66/984,866.14
  6. Step 6: Final answer
    x = 766,202.83

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1.5x scale

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.