Home / 746,685.90-1,120,028.85-630,045.90

Finding the Fourth Proportional to 746,685.90, 1,120,028.85 and 630,045.90

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Solution

The fourth proportional to 746,685.90, 1,120,028.85 and 630,045.90 is: 945,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,685.90 : 1,120,028.85 = 630,045.90 : x
  2. Step 2: Convert to fraction form
    746,685.90/1,120,028.85 = 630,045.90/x
  3. Step 3: Cross multiply
    746,685.90x = 1,120,028.85 × 630,045.90
  4. Step 4: Simplify right side
    746,685.90x = 705,669,584,824.22
  5. Step 5: Solve for x
    x = 705,669,584,824.22/746,685.90
  6. Step 6: Final answer
    x = 945,068.85

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Double scale
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Similar ratio
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1.5x scale

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.