Home / 837,780.53-1,156,044.62-470,173.35

Finding the Fourth Proportional to 837,780.53, 1,156,044.62 and 470,173.35

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Solution

The fourth proportional to 837,780.53, 1,156,044.62 and 470,173.35 is: 648,787.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,780.53 : 1,156,044.62 = 470,173.35 : x
  2. Step 2: Convert to fraction form
    837,780.53/1,156,044.62 = 470,173.35/x
  3. Step 3: Cross multiply
    837,780.53x = 1,156,044.62 × 470,173.35
  4. Step 4: Simplify right side
    837,780.53x = 543,541,371,734.88
  5. Step 5: Solve for x
    x = 543,541,371,734.88/837,780.53
  6. Step 6: Final answer
    x = 648,787.30

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1.5x scale

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.