Home / 1,165,985.58-1,748,625.33-407,685.78

Finding the Fourth Proportional to 1,165,985.58, 1,748,625.33 and 407,685.78

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Solution

The fourth proportional to 1,165,985.58, 1,748,625.33 and 407,685.78 is: 611,405.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,985.58 : 1,748,625.33 = 407,685.78 : x
  2. Step 2: Convert to fraction form
    1,165,985.58/1,748,625.33 = 407,685.78/x
  3. Step 3: Cross multiply
    1,165,985.58x = 1,748,625.33 × 407,685.78
  4. Step 4: Simplify right side
    1,165,985.58x = 712,889,681,588.81
  5. Step 5: Solve for x
    x = 712,889,681,588.81/1,165,985.58
  6. Step 6: Final answer
    x = 611,405.23

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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.