Home / 738,849.84-1,019,551.32-416,639.40

Finding the Fourth Proportional to 738,849.84, 1,019,551.32 and 416,639.40

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Solution

The fourth proportional to 738,849.84, 1,019,551.32 and 416,639.40 is: 574,927.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,849.84 : 1,019,551.32 = 416,639.40 : x
  2. Step 2: Convert to fraction form
    738,849.84/1,019,551.32 = 416,639.40/x
  3. Step 3: Cross multiply
    738,849.84x = 1,019,551.32 × 416,639.40
  4. Step 4: Simplify right side
    738,849.84x = 424,785,250,234.01
  5. Step 5: Solve for x
    x = 424,785,250,234.01/738,849.84
  6. Step 6: Final answer
    x = 574,927.71

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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.