Home / 876,103.20-1,314,154.80-245,066.40

Finding the Fourth Proportional to 876,103.20, 1,314,154.80 and 245,066.40

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Solution

The fourth proportional to 876,103.20, 1,314,154.80 and 245,066.40 is: 367,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,103.20 : 1,314,154.80 = 245,066.40 : x
  2. Step 2: Convert to fraction form
    876,103.20/1,314,154.80 = 245,066.40/x
  3. Step 3: Cross multiply
    876,103.20x = 1,314,154.80 × 245,066.40
  4. Step 4: Simplify right side
    876,103.20x = 322,055,185,878.72
  5. Step 5: Solve for x
    x = 322,055,185,878.72/876,103.20
  6. Step 6: Final answer
    x = 367,599.60

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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.