Home / 746,543.40-1,119,815.10-557,586.60

Finding the Fourth Proportional to 746,543.40, 1,119,815.10 and 557,586.60

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Solution

The fourth proportional to 746,543.40, 1,119,815.10 and 557,586.60 is: 836,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,543.40 : 1,119,815.10 = 557,586.60 : x
  2. Step 2: Convert to fraction form
    746,543.40/1,119,815.10 = 557,586.60/x
  3. Step 3: Cross multiply
    746,543.40x = 1,119,815.10 × 557,586.60
  4. Step 4: Simplify right side
    746,543.40x = 624,393,894,237.66
  5. Step 5: Solve for x
    x = 624,393,894,237.66/746,543.40
  6. Step 6: Final answer
    x = 836,379.90

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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.