Home / 857,918.88-1,184,030.40-495,431.04

Finding the Fourth Proportional to 857,918.88, 1,184,030.40 and 495,431.04

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Solution

The fourth proportional to 857,918.88, 1,184,030.40 and 495,431.04 is: 683,753.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,918.88 : 1,184,030.40 = 495,431.04 : x
  2. Step 2: Convert to fraction form
    857,918.88/1,184,030.40 = 495,431.04/x
  3. Step 3: Cross multiply
    857,918.88x = 1,184,030.40 × 495,431.04
  4. Step 4: Simplify right side
    857,918.88x = 586,605,412,463.62
  5. Step 5: Solve for x
    x = 586,605,412,463.62/857,918.88
  6. Step 6: Final answer
    x = 683,753.94

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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.