Home / 637,733.85-880,089.38-347,356.42

Finding the Fourth Proportional to 637,733.85, 880,089.38 and 347,356.42

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Solution

The fourth proportional to 637,733.85, 880,089.38 and 347,356.42 is: 479,360.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,733.85 : 880,089.38 = 347,356.42 : x
  2. Step 2: Convert to fraction form
    637,733.85/880,089.38 = 347,356.42/x
  3. Step 3: Cross multiply
    637,733.85x = 880,089.38 × 347,356.42
  4. Step 4: Simplify right side
    637,733.85x = 305,704,697,185.21
  5. Step 5: Solve for x
    x = 305,704,697,185.21/637,733.85
  6. Step 6: Final answer
    x = 479,360.94

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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.