Home / 1,184,228.20-1,776,364.26-385,507

Finding the Fourth Proportional to 1,184,228.20, 1,776,364.26 and 385,507

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Solution

The fourth proportional to 1,184,228.20, 1,776,364.26 and 385,507 is: 578,267.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,184,228.20 : 1,776,364.26 = 385,507 : x
  2. Step 2: Convert to fraction form
    1,184,228.20/1,776,364.26 = 385,507/x
  3. Step 3: Cross multiply
    1,184,228.20x = 1,776,364.26 × 385,507
  4. Step 4: Simplify right side
    1,184,228.20x = 684,800,856,779.82
  5. Step 5: Solve for x
    x = 684,800,856,779.82/1,184,228.20
  6. Step 6: Final answer
    x = 578,267.65

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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.