Home / 1,759,109.80-2,638,664.70-561,119.80

Finding the Fourth Proportional to 1,759,109.80, 2,638,664.70 and 561,119.80

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Solution

The fourth proportional to 1,759,109.80, 2,638,664.70 and 561,119.80 is: 841,679.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759,109.80 : 2,638,664.70 = 561,119.80 : x
  2. Step 2: Convert to fraction form
    1,759,109.80/2,638,664.70 = 561,119.80/x
  3. Step 3: Cross multiply
    1,759,109.80x = 2,638,664.70 × 561,119.80
  4. Step 4: Simplify right side
    1,759,109.80x = 1,480,607,008,731.06
  5. Step 5: Solve for x
    x = 1,480,607,008,731.06/1,759,109.80
  6. Step 6: Final answer
    x = 841,679.70

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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.