Home / 641,327.58-884,646.45-423,538.26

Finding the Fourth Proportional to 641,327.58, 884,646.45 and 423,538.26

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Solution

The fourth proportional to 641,327.58, 884,646.45 and 423,538.26 is: 584,228.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,327.58 : 884,646.45 = 423,538.26 : x
  2. Step 2: Convert to fraction form
    641,327.58/884,646.45 = 423,538.26/x
  3. Step 3: Cross multiply
    641,327.58x = 884,646.45 × 423,538.26
  4. Step 4: Simplify right side
    641,327.58x = 374,681,614,830.75
  5. Step 5: Solve for x
    x = 374,681,614,830.75/641,327.58
  6. Step 6: Final answer
    x = 584,228.13

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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.