Home / 1,583,483.30-2,185,208.55-858,330.86

Finding the Fourth Proportional to 1,583,483.30, 2,185,208.55 and 858,330.86

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Solution

The fourth proportional to 1,583,483.30, 2,185,208.55 and 858,330.86 is: 1,184,497.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583,483.30 : 2,185,208.55 = 858,330.86 : x
  2. Step 2: Convert to fraction form
    1,583,483.30/2,185,208.55 = 858,330.86/x
  3. Step 3: Cross multiply
    1,583,483.30x = 2,185,208.55 × 858,330.86
  4. Step 4: Simplify right side
    1,583,483.30x = 1,875,631,923,074.81
  5. Step 5: Solve for x
    x = 1,875,631,923,074.81/1,583,483.30
  6. Step 6: Final answer
    x = 1,184,497.45

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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.