Home / 1,217,748.34-1,680,451.35-673,907.05

Finding the Fourth Proportional to 1,217,748.34, 1,680,451.35 and 673,907.05

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Solution

The fourth proportional to 1,217,748.34, 1,680,451.35 and 673,907.05 is: 929,968.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,748.34 : 1,680,451.35 = 673,907.05 : x
  2. Step 2: Convert to fraction form
    1,217,748.34/1,680,451.35 = 673,907.05/x
  3. Step 3: Cross multiply
    1,217,748.34x = 1,680,451.35 × 673,907.05
  4. Step 4: Simplify right side
    1,217,748.34x = 1,132,468,011,947.02
  5. Step 5: Solve for x
    x = 1,132,468,011,947.02/1,217,748.34
  6. Step 6: Final answer
    x = 929,968.84

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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.