Home / 760,343.80-1,139,256.25-534,601.33

Finding the Fourth Proportional to 760,343.80, 1,139,256.25 and 534,601.33

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Solution

The fourth proportional to 760,343.80, 1,139,256.25 and 534,601.33 is: 801,016.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,343.80 : 1,139,256.25 = 534,601.33 : x
  2. Step 2: Convert to fraction form
    760,343.80/1,139,256.25 = 534,601.33/x
  3. Step 3: Cross multiply
    760,343.80x = 1,139,256.25 × 534,601.33
  4. Step 4: Simplify right side
    760,343.80x = 609,047,906,460.81
  5. Step 5: Solve for x
    x = 609,047,906,460.81/760,343.80
  6. Step 6: Final answer
    x = 801,016.47

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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.