Home / 841,408.91-1,161,235.72-519,110.72

Finding the Fourth Proportional to 841,408.91, 1,161,235.72 and 519,110.72

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Solution

The fourth proportional to 841,408.91, 1,161,235.72 and 519,110.72 is: 716,429.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,408.91 : 1,161,235.72 = 519,110.72 : x
  2. Step 2: Convert to fraction form
    841,408.91/1,161,235.72 = 519,110.72/x
  3. Step 3: Cross multiply
    841,408.91x = 1,161,235.72 × 519,110.72
  4. Step 4: Simplify right side
    841,408.91x = 602,809,914,968.21
  5. Step 5: Solve for x
    x = 602,809,914,968.21/841,408.91
  6. Step 6: Final answer
    x = 716,429.20

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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.