Home / 806,737.80-1,210,106.70-526,571.40

Finding the Fourth Proportional to 806,737.80, 1,210,106.70 and 526,571.40

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Solution

The fourth proportional to 806,737.80, 1,210,106.70 and 526,571.40 is: 789,857.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,737.80 : 1,210,106.70 = 526,571.40 : x
  2. Step 2: Convert to fraction form
    806,737.80/1,210,106.70 = 526,571.40/x
  3. Step 3: Cross multiply
    806,737.80x = 1,210,106.70 × 526,571.40
  4. Step 4: Simplify right side
    806,737.80x = 637,207,579,168.38
  5. Step 5: Solve for x
    x = 637,207,579,168.38/806,737.80
  6. Step 6: Final answer
    x = 789,857.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.