Home / 1,689,927.77-2,534,855.70-410,541.28

Finding the Fourth Proportional to 1,689,927.77, 2,534,855.70 and 410,541.28

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Solution

The fourth proportional to 1,689,927.77, 2,534,855.70 and 410,541.28 is: 615,803.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,927.77 : 2,534,855.70 = 410,541.28 : x
  2. Step 2: Convert to fraction form
    1,689,927.77/2,534,855.70 = 410,541.28/x
  3. Step 3: Cross multiply
    1,689,927.77x = 2,534,855.70 × 410,541.28
  4. Step 4: Simplify right side
    1,689,927.77x = 1,040,662,903,693.30
  5. Step 5: Solve for x
    x = 1,040,662,903,693.30/1,689,927.77
  6. Step 6: Final answer
    x = 615,803.19

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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.