Home / 717,201.80-1,075,802.70-663,134.60

Finding the Fourth Proportional to 717,201.80, 1,075,802.70 and 663,134.60

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Solution

The fourth proportional to 717,201.80, 1,075,802.70 and 663,134.60 is: 994,701.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,201.80 : 1,075,802.70 = 663,134.60 : x
  2. Step 2: Convert to fraction form
    717,201.80/1,075,802.70 = 663,134.60/x
  3. Step 3: Cross multiply
    717,201.80x = 1,075,802.70 × 663,134.60
  4. Step 4: Simplify right side
    717,201.80x = 713,401,993,143.42
  5. Step 5: Solve for x
    x = 713,401,993,143.42/717,201.80
  6. Step 6: Final answer
    x = 994,701.90

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1.5x scale

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.