Home / 720,562.20-1,075,566.76-635,438.76

Finding the Fourth Proportional to 720,562.20, 1,075,566.76 and 635,438.76

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Solution

The fourth proportional to 720,562.20, 1,075,566.76 and 635,438.76 is: 948,504.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,562.20 : 1,075,566.76 = 635,438.76 : x
  2. Step 2: Convert to fraction form
    720,562.20/1,075,566.76 = 635,438.76/x
  3. Step 3: Cross multiply
    720,562.20x = 1,075,566.76 × 635,438.76
  4. Step 4: Simplify right side
    720,562.20x = 683,456,808,271.62
  5. Step 5: Solve for x
    x = 683,456,808,271.62/720,562.20
  6. Step 6: Final answer
    x = 948,504.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.