Home / 966,563.12-1,333,394.28-680,242.16

Finding the Fourth Proportional to 966,563.12, 1,333,394.28 and 680,242.16

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Solution

The fourth proportional to 966,563.12, 1,333,394.28 and 680,242.16 is: 938,408.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,563.12 : 1,333,394.28 = 680,242.16 : x
  2. Step 2: Convert to fraction form
    966,563.12/1,333,394.28 = 680,242.16/x
  3. Step 3: Cross multiply
    966,563.12x = 1,333,394.28 × 680,242.16
  4. Step 4: Simplify right side
    966,563.12x = 907,031,005,158.85
  5. Step 5: Solve for x
    x = 907,031,005,158.85/966,563.12
  6. Step 6: Final answer
    x = 938,408.46

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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.