Home / 865,201.35-1,297,802.03-510,907.35

Finding the Fourth Proportional to 865,201.35, 1,297,802.03 and 510,907.35

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Solution

The fourth proportional to 865,201.35, 1,297,802.03 and 510,907.35 is: 766,361.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,201.35 : 1,297,802.03 = 510,907.35 : x
  2. Step 2: Convert to fraction form
    865,201.35/1,297,802.03 = 510,907.35/x
  3. Step 3: Cross multiply
    865,201.35x = 1,297,802.03 × 510,907.35
  4. Step 4: Simplify right side
    865,201.35x = 663,056,593,417.38
  5. Step 5: Solve for x
    x = 663,056,593,417.38/865,201.35
  6. Step 6: Final answer
    x = 766,361.03

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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.