Home / 841,268.78-1,161,084.21-535,025.87

Finding the Fourth Proportional to 841,268.78, 1,161,084.21 and 535,025.87

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Solution

The fourth proportional to 841,268.78, 1,161,084.21 and 535,025.87 is: 738,420.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,268.78 : 1,161,084.21 = 535,025.87 : x
  2. Step 2: Convert to fraction form
    841,268.78/1,161,084.21 = 535,025.87/x
  3. Step 3: Cross multiply
    841,268.78x = 1,161,084.21 × 535,025.87
  4. Step 4: Simplify right side
    841,268.78x = 621,210,089,598.51
  5. Step 5: Solve for x
    x = 621,210,089,598.51/841,268.78
  6. Step 6: Final answer
    x = 738,420.47

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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.