Home / 932,419.20-1,398,628.80-399,849.60

Finding the Fourth Proportional to 932,419.20, 1,398,628.80 and 399,849.60

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Solution

The fourth proportional to 932,419.20, 1,398,628.80 and 399,849.60 is: 599,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,419.20 : 1,398,628.80 = 399,849.60 : x
  2. Step 2: Convert to fraction form
    932,419.20/1,398,628.80 = 399,849.60/x
  3. Step 3: Cross multiply
    932,419.20x = 1,398,628.80 × 399,849.60
  4. Step 4: Simplify right side
    932,419.20x = 559,241,166,228.48
  5. Step 5: Solve for x
    x = 559,241,166,228.48/932,419.20
  6. Step 6: Final answer
    x = 599,774.40

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.