Home / 1,056,995.12-1,458,637.67-621,461.57

Finding the Fourth Proportional to 1,056,995.12, 1,458,637.67 and 621,461.57

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Solution

The fourth proportional to 1,056,995.12, 1,458,637.67 and 621,461.57 is: 857,607.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,995.12 : 1,458,637.67 = 621,461.57 : x
  2. Step 2: Convert to fraction form
    1,056,995.12/1,458,637.67 = 621,461.57/x
  3. Step 3: Cross multiply
    1,056,995.12x = 1,458,637.67 × 621,461.57
  4. Step 4: Simplify right side
    1,056,995.12x = 906,487,250,719.81
  5. Step 5: Solve for x
    x = 906,487,250,719.81/1,056,995.12
  6. Step 6: Final answer
    x = 857,607.79

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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.