Home / 949,036.56-1,309,670.55-519,320.22

Finding the Fourth Proportional to 949,036.56, 1,309,670.55 and 519,320.22

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Solution

The fourth proportional to 949,036.56, 1,309,670.55 and 519,320.22 is: 716,661.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,036.56 : 1,309,670.55 = 519,320.22 : x
  2. Step 2: Convert to fraction form
    949,036.56/1,309,670.55 = 519,320.22/x
  3. Step 3: Cross multiply
    949,036.56x = 1,309,670.55 × 519,320.22
  4. Step 4: Simplify right side
    949,036.56x = 680,138,398,153.52
  5. Step 5: Solve for x
    x = 680,138,398,153.52/949,036.56
  6. Step 6: Final answer
    x = 716,661.96

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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.