Home / 697,106.70-1,045,660.05-557,138.70

Finding the Fourth Proportional to 697,106.70, 1,045,660.05 and 557,138.70

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Solution

The fourth proportional to 697,106.70, 1,045,660.05 and 557,138.70 is: 835,708.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,106.70 : 1,045,660.05 = 557,138.70 : x
  2. Step 2: Convert to fraction form
    697,106.70/1,045,660.05 = 557,138.70/x
  3. Step 3: Cross multiply
    697,106.70x = 1,045,660.05 × 557,138.70
  4. Step 4: Simplify right side
    697,106.70x = 582,577,680,898.94
  5. Step 5: Solve for x
    x = 582,577,680,898.94/697,106.70
  6. Step 6: Final answer
    x = 835,708.05

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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.