Home / 1,583,462.40-2,185,136.64-858,278.40

Finding the Fourth Proportional to 1,583,462.40, 2,185,136.64 and 858,278.40

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Solution

The fourth proportional to 1,583,462.40, 2,185,136.64 and 858,278.40 is: 1,184,401.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,583,462.40 : 2,185,136.64 = 858,278.40 : x
  2. Step 2: Convert to fraction form
    1,583,462.40/2,185,136.64 = 858,278.40/x
  3. Step 3: Cross multiply
    1,583,462.40x = 2,185,136.64 × 858,278.40
  4. Step 4: Simplify right side
    1,583,462.40x = 1,875,455,579,160.58
  5. Step 5: Solve for x
    x = 1,875,455,579,160.58/1,583,462.40
  6. Step 6: Final answer
    x = 1,184,401.71

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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.