Home / 810,187.04-1,216,043.20-411,114.16

Finding the Fourth Proportional to 810,187.04, 1,216,043.20 and 411,114.16

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Solution

The fourth proportional to 810,187.04, 1,216,043.20 and 411,114.16 is: 617,058.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,187.04 : 1,216,043.20 = 411,114.16 : x
  2. Step 2: Convert to fraction form
    810,187.04/1,216,043.20 = 411,114.16/x
  3. Step 3: Cross multiply
    810,187.04x = 1,216,043.20 × 411,114.16
  4. Step 4: Simplify right side
    810,187.04x = 499,932,578,691.71
  5. Step 5: Solve for x
    x = 499,932,578,691.71/810,187.04
  6. Step 6: Final answer
    x = 617,058.23

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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.