Home / 1,696,542.80-2,543,939.40-631,036.40

Finding the Fourth Proportional to 1,696,542.80, 2,543,939.40 and 631,036.40

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Solution

The fourth proportional to 1,696,542.80, 2,543,939.40 and 631,036.40 is: 946,229.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,696,542.80 : 2,543,939.40 = 631,036.40 : x
  2. Step 2: Convert to fraction form
    1,696,542.80/2,543,939.40 = 631,036.40/x
  3. Step 3: Cross multiply
    1,696,542.80x = 2,543,939.40 × 631,036.40
  4. Step 4: Simplify right side
    1,696,542.80x = 1,605,318,360,794.16
  5. Step 5: Solve for x
    x = 1,605,318,360,794.16/1,696,542.80
  6. Step 6: Final answer
    x = 946,229.21

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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.