Home / 1,583,357.20-2,185,020.63-858,186.27

Finding the Fourth Proportional to 1,583,357.20, 2,185,020.63 and 858,186.27

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Solution

The fourth proportional to 1,583,357.20, 2,185,020.63 and 858,186.27 is: 1,184,290.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583,357.20 : 2,185,020.63 = 858,186.27 : x
  2. Step 2: Convert to fraction form
    1,583,357.20/2,185,020.63 = 858,186.27/x
  3. Step 3: Cross multiply
    1,583,357.20x = 2,185,020.63 × 858,186.27
  4. Step 4: Simplify right side
    1,583,357.20x = 1,875,154,704,332.75
  5. Step 5: Solve for x
    x = 1,875,154,704,332.75/1,583,357.20
  6. Step 6: Final answer
    x = 1,184,290.38

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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.