Home / 693,176.34-1,039,692.69-469,970.58

Finding the Fourth Proportional to 693,176.34, 1,039,692.69 and 469,970.58

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Solution

The fourth proportional to 693,176.34, 1,039,692.69 and 469,970.58 is: 704,907.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,176.34 : 1,039,692.69 = 469,970.58 : x
  2. Step 2: Convert to fraction form
    693,176.34/1,039,692.69 = 469,970.58/x
  3. Step 3: Cross multiply
    693,176.34x = 1,039,692.69 × 469,970.58
  4. Step 4: Simplify right side
    693,176.34x = 488,624,976,541.06
  5. Step 5: Solve for x
    x = 488,624,976,541.06/693,176.34
  6. Step 6: Final answer
    x = 704,907.18

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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.