Home / 709,827.93-979,564.77-455,180.13

Finding the Fourth Proportional to 709,827.93, 979,564.77 and 455,180.13

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Solution

The fourth proportional to 709,827.93, 979,564.77 and 455,180.13 is: 628,150.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,827.93 : 979,564.77 = 455,180.13 : x
  2. Step 2: Convert to fraction form
    709,827.93/979,564.77 = 455,180.13/x
  3. Step 3: Cross multiply
    709,827.93x = 979,564.77 × 455,180.13
  4. Step 4: Simplify right side
    709,827.93x = 445,878,419,352.02
  5. Step 5: Solve for x
    x = 445,878,419,352.02/709,827.93
  6. Step 6: Final answer
    x = 628,150.01

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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.