Home / 637,069.14-879,155.54-350,589.23

Finding the Fourth Proportional to 637,069.14, 879,155.54 and 350,589.23

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Solution

The fourth proportional to 637,069.14, 879,155.54 and 350,589.23 is: 483,813.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,069.14 : 879,155.54 = 350,589.23 : x
  2. Step 2: Convert to fraction form
    637,069.14/879,155.54 = 350,589.23/x
  3. Step 3: Cross multiply
    637,069.14x = 879,155.54 × 350,589.23
  4. Step 4: Simplify right side
    637,069.14x = 308,222,462,281.65
  5. Step 5: Solve for x
    x = 308,222,462,281.65/637,069.14
  6. Step 6: Final answer
    x = 483,813.20

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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.