Home / 1,122,059.70-1,683,089.55-457,211.70

Finding the Fourth Proportional to 1,122,059.70, 1,683,089.55 and 457,211.70

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Solution

The fourth proportional to 1,122,059.70, 1,683,089.55 and 457,211.70 is: 685,817.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,059.70 : 1,683,089.55 = 457,211.70 : x
  2. Step 2: Convert to fraction form
    1,122,059.70/1,683,089.55 = 457,211.70/x
  3. Step 3: Cross multiply
    1,122,059.70x = 1,683,089.55 × 457,211.70
  4. Step 4: Simplify right side
    1,122,059.70x = 769,528,234,407.74
  5. Step 5: Solve for x
    x = 769,528,234,407.74/1,122,059.70
  6. Step 6: Final answer
    x = 685,817.55

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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.