Home / 841,410.42-1,161,237.80-519,112.23

Finding the Fourth Proportional to 841,410.42, 1,161,237.80 and 519,112.23

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Solution

The fourth proportional to 841,410.42, 1,161,237.80 and 519,112.23 is: 716,431.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,410.42 : 1,161,237.80 = 519,112.23 : x
  2. Step 2: Convert to fraction form
    841,410.42/1,161,237.80 = 519,112.23/x
  3. Step 3: Cross multiply
    841,410.42x = 1,161,237.80 × 519,112.23
  4. Step 4: Simplify right side
    841,410.42x = 602,812,741,322.73
  5. Step 5: Solve for x
    x = 602,812,741,322.73/841,410.42
  6. Step 6: Final answer
    x = 716,431.28

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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.