Home / 454,985.60-682,478.40-366,412.10

Finding the Fourth Proportional to 454,985.60, 682,478.40 and 366,412.10

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Solution

The fourth proportional to 454,985.60, 682,478.40 and 366,412.10 is: 549,618.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,985.60 : 682,478.40 = 366,412.10 : x
  2. Step 2: Convert to fraction form
    454,985.60/682,478.40 = 366,412.10/x
  3. Step 3: Cross multiply
    454,985.60x = 682,478.40 × 366,412.10
  4. Step 4: Simplify right side
    454,985.60x = 250,068,343,748.64
  5. Step 5: Solve for x
    x = 250,068,343,748.64/454,985.60
  6. Step 6: Final answer
    x = 549,618.15

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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.