Home / 637,686.24-880,046.81-351,206.25

Finding the Fourth Proportional to 637,686.24, 880,046.81 and 351,206.25

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Solution

The fourth proportional to 637,686.24, 880,046.81 and 351,206.25 is: 484,686.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,686.24 : 880,046.81 = 351,206.25 : x
  2. Step 2: Convert to fraction form
    637,686.24/880,046.81 = 351,206.25/x
  3. Step 3: Cross multiply
    637,686.24x = 880,046.81 × 351,206.25
  4. Step 4: Simplify right side
    637,686.24x = 309,077,939,964.56
  5. Step 5: Solve for x
    x = 309,077,939,964.56/637,686.24
  6. Step 6: Final answer
    x = 484,686.54

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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.