Home / 1,212,579.04-1,818,368.14-413,925

Finding the Fourth Proportional to 1,212,579.04, 1,818,368.14 and 413,925

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Solution

The fourth proportional to 1,212,579.04, 1,818,368.14 and 413,925 is: 620,716.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,579.04 : 1,818,368.14 = 413,925 : x
  2. Step 2: Convert to fraction form
    1,212,579.04/1,818,368.14 = 413,925/x
  3. Step 3: Cross multiply
    1,212,579.04x = 1,818,368.14 × 413,925
  4. Step 4: Simplify right side
    1,212,579.04x = 752,668,032,349.50
  5. Step 5: Solve for x
    x = 752,668,032,349.50/1,212,579.04
  6. Step 6: Final answer
    x = 620,716.68

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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.