Home / 4,403,419.20-6,605,128.80-3,059,726.40

Finding the Fourth Proportional to 4,403,419.20, 6,605,128.80 and 3,059,726.40

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Solution

The fourth proportional to 4,403,419.20, 6,605,128.80 and 3,059,726.40 is: 4,589,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,403,419.20 : 6,605,128.80 = 3,059,726.40 : x
  2. Step 2: Convert to fraction form
    4,403,419.20/6,605,128.80 = 3,059,726.40/x
  3. Step 3: Cross multiply
    4,403,419.20x = 6,605,128.80 × 3,059,726.40
  4. Step 4: Simplify right side
    4,403,419.20x = 20,209,886,964,760.32
  5. Step 5: Solve for x
    x = 20,209,886,964,760.32/4,403,419.20
  6. Step 6: Final answer
    x = 4,589,589.60

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Double scale
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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.