Home / 1,604,808.91-2,214,636.81-879,661.57

Finding the Fourth Proportional to 1,604,808.91, 2,214,636.81 and 879,661.57

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Solution

The fourth proportional to 1,604,808.91, 2,214,636.81 and 879,661.57 is: 1,213,933.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,604,808.91 : 2,214,636.81 = 879,661.57 : x
  2. Step 2: Convert to fraction form
    1,604,808.91/2,214,636.81 = 879,661.57/x
  3. Step 3: Cross multiply
    1,604,808.91x = 2,214,636.81 × 879,661.57
  4. Step 4: Simplify right side
    1,604,808.91x = 1,948,130,893,529.61
  5. Step 5: Solve for x
    x = 1,948,130,893,529.61/1,604,808.91
  6. Step 6: Final answer
    x = 1,213,933.25

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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.