Home / 1,010,418.30-1,516,028.40-411,423.30

Finding the Fourth Proportional to 1,010,418.30, 1,516,028.40 and 411,423.30

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Solution

The fourth proportional to 1,010,418.30, 1,516,028.40 and 411,423.30 is: 617,298.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,418.30 : 1,516,028.40 = 411,423.30 : x
  2. Step 2: Convert to fraction form
    1,010,418.30/1,516,028.40 = 411,423.30/x
  3. Step 3: Cross multiply
    1,010,418.30x = 1,516,028.40 × 411,423.30
  4. Step 4: Simplify right side
    1,010,418.30x = 623,729,407,221.72
  5. Step 5: Solve for x
    x = 623,729,407,221.72/1,010,418.30
  6. Step 6: Final answer
    x = 617,298.21

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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.