Home / 901,326.02-1,243,829.81-493,426.59

Finding the Fourth Proportional to 901,326.02, 1,243,829.81 and 493,426.59

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Solution

The fourth proportional to 901,326.02, 1,243,829.81 and 493,426.59 is: 680,928.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,326.02 : 1,243,829.81 = 493,426.59 : x
  2. Step 2: Convert to fraction form
    901,326.02/1,243,829.81 = 493,426.59/x
  3. Step 3: Cross multiply
    901,326.02x = 1,243,829.81 × 493,426.59
  4. Step 4: Simplify right side
    901,326.02x = 613,738,699,221.52
  5. Step 5: Solve for x
    x = 613,738,699,221.52/901,326.02
  6. Step 6: Final answer
    x = 680,928.64

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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.