Home / 948,995.55-1,309,643.24-519,293.79

Finding the Fourth Proportional to 948,995.55, 1,309,643.24 and 519,293.79

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Solution

The fourth proportional to 948,995.55, 1,309,643.24 and 519,293.79 is: 716,641.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,995.55 : 1,309,643.24 = 519,293.79 : x
  2. Step 2: Convert to fraction form
    948,995.55/1,309,643.24 = 519,293.79/x
  3. Step 3: Cross multiply
    948,995.55x = 1,309,643.24 × 519,293.79
  4. Step 4: Simplify right side
    948,995.55x = 680,089,599,051.01
  5. Step 5: Solve for x
    x = 680,089,599,051.01/948,995.55
  6. Step 6: Final answer
    x = 716,641.50

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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.