Home / 1,051,306.16-1,450,820.64-621,660.32

Finding the Fourth Proportional to 1,051,306.16, 1,450,820.64 and 621,660.32

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Solution

The fourth proportional to 1,051,306.16, 1,450,820.64 and 621,660.32 is: 857,901.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,306.16 : 1,450,820.64 = 621,660.32 : x
  2. Step 2: Convert to fraction form
    1,051,306.16/1,450,820.64 = 621,660.32/x
  3. Step 3: Cross multiply
    1,051,306.16x = 1,450,820.64 × 621,660.32
  4. Step 4: Simplify right side
    1,051,306.16x = 901,917,623,325.01
  5. Step 5: Solve for x
    x = 901,917,623,325.01/1,051,306.16
  6. Step 6: Final answer
    x = 857,901.97

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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.