Home / 671,784.60-927,253.26-442,509.24

Finding the Fourth Proportional to 671,784.60, 927,253.26 and 442,509.24

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Solution

The fourth proportional to 671,784.60, 927,253.26 and 442,509.24 is: 610,788.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,784.60 : 927,253.26 = 442,509.24 : x
  2. Step 2: Convert to fraction form
    671,784.60/927,253.26 = 442,509.24/x
  3. Step 3: Cross multiply
    671,784.60x = 927,253.26 × 442,509.24
  4. Step 4: Simplify right side
    671,784.60x = 410,318,135,370.12
  5. Step 5: Solve for x
    x = 410,318,135,370.12/671,784.60
  6. Step 6: Final answer
    x = 610,788.24

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Double scale
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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.