Home / 1,185,597.28-1,778,209.08-386,874.64

Finding the Fourth Proportional to 1,185,597.28, 1,778,209.08 and 386,874.64

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Solution

The fourth proportional to 1,185,597.28, 1,778,209.08 and 386,874.64 is: 580,250.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,597.28 : 1,778,209.08 = 386,874.64 : x
  2. Step 2: Convert to fraction form
    1,185,597.28/1,778,209.08 = 386,874.64/x
  3. Step 3: Cross multiply
    1,185,597.28x = 1,778,209.08 × 386,874.64
  4. Step 4: Simplify right side
    1,185,597.28x = 687,943,997,669.73
  5. Step 5: Solve for x
    x = 687,943,997,669.73/1,185,597.28
  6. Step 6: Final answer
    x = 580,250.99

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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.