Home / 1,656,178.35-2,485,853.10-858,032.70

Finding the Fourth Proportional to 1,656,178.35, 2,485,853.10 and 858,032.70

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Solution

The fourth proportional to 1,656,178.35, 2,485,853.10 and 858,032.70 is: 1,287,870.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,178.35 : 2,485,853.10 = 858,032.70 : x
  2. Step 2: Convert to fraction form
    1,656,178.35/2,485,853.10 = 858,032.70/x
  3. Step 3: Cross multiply
    1,656,178.35x = 2,485,853.10 × 858,032.70
  4. Step 4: Simplify right side
    1,656,178.35x = 2,132,943,247,196.37
  5. Step 5: Solve for x
    x = 2,132,943,247,196.37/1,656,178.35
  6. Step 6: Final answer
    x = 1,287,870.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.