Home / 942,783.87-1,301,084.58-555,615.63

Finding the Fourth Proportional to 942,783.87, 1,301,084.58 and 555,615.63

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Solution

The fourth proportional to 942,783.87, 1,301,084.58 and 555,615.63 is: 766,774.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,783.87 : 1,301,084.58 = 555,615.63 : x
  2. Step 2: Convert to fraction form
    942,783.87/1,301,084.58 = 555,615.63/x
  3. Step 3: Cross multiply
    942,783.87x = 1,301,084.58 × 555,615.63
  4. Step 4: Simplify right side
    942,783.87x = 722,902,922,094.56
  5. Step 5: Solve for x
    x = 722,902,922,094.56/942,783.87
  6. Step 6: Final answer
    x = 766,774.81

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.