Home / 1,415,675.90-1,953,563.72-803,748.44

Finding the Fourth Proportional to 1,415,675.90, 1,953,563.72 and 803,748.44

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Solution

The fourth proportional to 1,415,675.90, 1,953,563.72 and 803,748.44 is: 1,109,133.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,675.90 : 1,953,563.72 = 803,748.44 : x
  2. Step 2: Convert to fraction form
    1,415,675.90/1,953,563.72 = 803,748.44/x
  3. Step 3: Cross multiply
    1,415,675.90x = 1,953,563.72 × 803,748.44
  4. Step 4: Simplify right side
    1,415,675.90x = 1,570,173,792,390.60
  5. Step 5: Solve for x
    x = 1,570,173,792,390.60/1,415,675.90
  6. Step 6: Final answer
    x = 1,109,133.66

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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.