Home / 1,243,014.77-1,864,516.83-344,453.92

Finding the Fourth Proportional to 1,243,014.77, 1,864,516.83 and 344,453.92

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Solution

The fourth proportional to 1,243,014.77, 1,864,516.83 and 344,453.92 is: 516,679.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,014.77 : 1,864,516.83 = 344,453.92 : x
  2. Step 2: Convert to fraction form
    1,243,014.77/1,864,516.83 = 344,453.92/x
  3. Step 3: Cross multiply
    1,243,014.77x = 1,864,516.83 × 344,453.92
  4. Step 4: Simplify right side
    1,243,014.77x = 642,240,130,999.47
  5. Step 5: Solve for x
    x = 642,240,130,999.47/1,243,014.77
  6. Step 6: Final answer
    x = 516,679.40

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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.