Home / 1,289,811.65-1,934,992.63-436,853.39

Finding the Fourth Proportional to 1,289,811.65, 1,934,992.63 and 436,853.39

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Solution

The fourth proportional to 1,289,811.65, 1,934,992.63 and 436,853.39 is: 655,373.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,811.65 : 1,934,992.63 = 436,853.39 : x
  2. Step 2: Convert to fraction form
    1,289,811.65/1,934,992.63 = 436,853.39/x
  3. Step 3: Cross multiply
    1,289,811.65x = 1,934,992.63 × 436,853.39
  4. Step 4: Simplify right side
    1,289,811.65x = 845,308,095,424.06
  5. Step 5: Solve for x
    x = 845,308,095,424.06/1,289,811.65
  6. Step 6: Final answer
    x = 655,373.28

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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.