Home / 1,689,362.10-2,534,022.01-409,980.17

Finding the Fourth Proportional to 1,689,362.10, 2,534,022.01 and 409,980.17

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Solution

The fourth proportional to 1,689,362.10, 2,534,022.01 and 409,980.17 is: 614,965.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,362.10 : 2,534,022.01 = 409,980.17 : x
  2. Step 2: Convert to fraction form
    1,689,362.10/2,534,022.01 = 409,980.17/x
  3. Step 3: Cross multiply
    1,689,362.10x = 2,534,022.01 × 409,980.17
  4. Step 4: Simplify right side
    1,689,362.10x = 1,038,898,772,393.64
  5. Step 5: Solve for x
    x = 1,038,898,772,393.64/1,689,362.10
  6. Step 6: Final answer
    x = 614,965.12

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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.