Home / 1,243,156.74-1,864,550.54-344,504.76

Finding the Fourth Proportional to 1,243,156.74, 1,864,550.54 and 344,504.76

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Solution

The fourth proportional to 1,243,156.74, 1,864,550.54 and 344,504.76 is: 516,705.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,156.74 : 1,864,550.54 = 344,504.76 : x
  2. Step 2: Convert to fraction form
    1,243,156.74/1,864,550.54 = 344,504.76/x
  3. Step 3: Cross multiply
    1,243,156.74x = 1,864,550.54 × 344,504.76
  4. Step 4: Simplify right side
    1,243,156.74x = 642,346,536,290.57
  5. Step 5: Solve for x
    x = 642,346,536,290.57/1,243,156.74
  6. Step 6: Final answer
    x = 516,705.99

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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.