Home / 1,074,441.36-1,611,107.42-316,184.38

Finding the Fourth Proportional to 1,074,441.36, 1,611,107.42 and 316,184.38

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Solution

The fourth proportional to 1,074,441.36, 1,611,107.42 and 316,184.38 is: 474,113.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,441.36 : 1,611,107.42 = 316,184.38 : x
  2. Step 2: Convert to fraction form
    1,074,441.36/1,611,107.42 = 316,184.38/x
  3. Step 3: Cross multiply
    1,074,441.36x = 1,611,107.42 × 316,184.38
  4. Step 4: Simplify right side
    1,074,441.36x = 509,406,997,468.79
  5. Step 5: Solve for x
    x = 509,406,997,468.79/1,074,441.36
  6. Step 6: Final answer
    x = 474,113.35

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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.