Home / 1,154,423.71-1,593,114.75-638,169.25

Finding the Fourth Proportional to 1,154,423.71, 1,593,114.75 and 638,169.25

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Solution

The fourth proportional to 1,154,423.71, 1,593,114.75 and 638,169.25 is: 880,679.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,423.71 : 1,593,114.75 = 638,169.25 : x
  2. Step 2: Convert to fraction form
    1,154,423.71/1,593,114.75 = 638,169.25/x
  3. Step 3: Cross multiply
    1,154,423.71x = 1,593,114.75 × 638,169.25
  4. Step 4: Simplify right side
    1,154,423.71x = 1,016,676,845,171.44
  5. Step 5: Solve for x
    x = 1,016,676,845,171.44/1,154,423.71
  6. Step 6: Final answer
    x = 880,679.11

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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.