Home / 698,675.70-1,048,013.55-610,102.20

Finding the Fourth Proportional to 698,675.70, 1,048,013.55 and 610,102.20

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Solution

The fourth proportional to 698,675.70, 1,048,013.55 and 610,102.20 is: 915,153.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,675.70 : 1,048,013.55 = 610,102.20 : x
  2. Step 2: Convert to fraction form
    698,675.70/1,048,013.55 = 610,102.20/x
  3. Step 3: Cross multiply
    698,675.70x = 1,048,013.55 × 610,102.20
  4. Step 4: Simplify right side
    698,675.70x = 639,395,372,484.81
  5. Step 5: Solve for x
    x = 639,395,372,484.81/698,675.70
  6. Step 6: Final answer
    x = 915,153.30

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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.