Home / 1,096,090.60-1,644,135.90-386,919.40

Finding the Fourth Proportional to 1,096,090.60, 1,644,135.90 and 386,919.40

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Solution

The fourth proportional to 1,096,090.60, 1,644,135.90 and 386,919.40 is: 580,379.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,090.60 : 1,644,135.90 = 386,919.40 : x
  2. Step 2: Convert to fraction form
    1,096,090.60/1,644,135.90 = 386,919.40/x
  3. Step 3: Cross multiply
    1,096,090.60x = 1,644,135.90 × 386,919.40
  4. Step 4: Simplify right side
    1,096,090.60x = 636,148,075,946.46
  5. Step 5: Solve for x
    x = 636,148,075,946.46/1,096,090.60
  6. Step 6: Final answer
    x = 580,379.10

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Double scale
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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.