Home / 712,842.80-1,069,188.87-375,748.34

Finding the Fourth Proportional to 712,842.80, 1,069,188.87 and 375,748.34

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Solution

The fourth proportional to 712,842.80, 1,069,188.87 and 375,748.34 is: 563,582.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,842.80 : 1,069,188.87 = 375,748.34 : x
  2. Step 2: Convert to fraction form
    712,842.80/1,069,188.87 = 375,748.34/x
  3. Step 3: Cross multiply
    712,842.80x = 1,069,188.87 × 375,748.34
  4. Step 4: Simplify right side
    712,842.80x = 401,745,943,048.98
  5. Step 5: Solve for x
    x = 401,745,943,048.98/712,842.80
  6. Step 6: Final answer
    x = 563,582.80

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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.