Home / 1,051,194.60-1,450,701.22-643,168.68

Finding the Fourth Proportional to 1,051,194.60, 1,450,701.22 and 643,168.68

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Solution

The fourth proportional to 1,051,194.60, 1,450,701.22 and 643,168.68 is: 887,605.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,194.60 : 1,450,701.22 = 643,168.68 : x
  2. Step 2: Convert to fraction form
    1,051,194.60/1,450,701.22 = 643,168.68/x
  3. Step 3: Cross multiply
    1,051,194.60x = 1,450,701.22 × 643,168.68
  4. Step 4: Simplify right side
    1,051,194.60x = 933,045,588,741.79
  5. Step 5: Solve for x
    x = 933,045,588,741.79/1,051,194.60
  6. Step 6: Final answer
    x = 887,605.01

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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.