Home / 1,028,336.01-1,418,868.81-661,005.06

Finding the Fourth Proportional to 1,028,336.01, 1,418,868.81 and 661,005.06

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Solution

The fourth proportional to 1,028,336.01, 1,418,868.81 and 661,005.06 is: 912,036.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,336.01 : 1,418,868.81 = 661,005.06 : x
  2. Step 2: Convert to fraction form
    1,028,336.01/1,418,868.81 = 661,005.06/x
  3. Step 3: Cross multiply
    1,028,336.01x = 1,418,868.81 × 661,005.06
  4. Step 4: Simplify right side
    1,028,336.01x = 937,879,462,886.18
  5. Step 5: Solve for x
    x = 937,879,462,886.18/1,028,336.01
  6. Step 6: Final answer
    x = 912,036.00

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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.