Home / 1,217,804.40-1,680,528.60-673,963.11

Finding the Fourth Proportional to 1,217,804.40, 1,680,528.60 and 673,963.11

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Solution

The fourth proportional to 1,217,804.40, 1,680,528.60 and 673,963.11 is: 930,046.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,804.40 : 1,680,528.60 = 673,963.11 : x
  2. Step 2: Convert to fraction form
    1,217,804.40/1,680,528.60 = 673,963.11/x
  3. Step 3: Cross multiply
    1,217,804.40x = 1,680,528.60 × 673,963.11
  4. Step 4: Simplify right side
    1,217,804.40x = 1,132,614,281,699.95
  5. Step 5: Solve for x
    x = 1,132,614,281,699.95/1,217,804.40
  6. Step 6: Final answer
    x = 930,046.14

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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.