Home / 856,826.39-1,182,420.42-474,877.77

Finding the Fourth Proportional to 856,826.39, 1,182,420.42 and 474,877.77

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Solution

The fourth proportional to 856,826.39, 1,182,420.42 and 474,877.77 is: 655,331.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,826.39 : 1,182,420.42 = 474,877.77 : x
  2. Step 2: Convert to fraction form
    856,826.39/1,182,420.42 = 474,877.77/x
  3. Step 3: Cross multiply
    856,826.39x = 1,182,420.42 × 474,877.77
  4. Step 4: Simplify right side
    856,826.39x = 561,505,169,877.68
  5. Step 5: Solve for x
    x = 561,505,169,877.68/856,826.39
  6. Step 6: Final answer
    x = 655,331.32

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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.