Home / 1,238,240.50-1,857,361.15-817,417.96

Finding the Fourth Proportional to 1,238,240.50, 1,857,361.15 and 817,417.96

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Solution

The fourth proportional to 1,238,240.50, 1,857,361.15 and 817,417.96 is: 1,226,127.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,240.50 : 1,857,361.15 = 817,417.96 : x
  2. Step 2: Convert to fraction form
    1,238,240.50/1,857,361.15 = 817,417.96/x
  3. Step 3: Cross multiply
    1,238,240.50x = 1,857,361.15 × 817,417.96
  4. Step 4: Simplify right side
    1,238,240.50x = 1,518,240,352,929.45
  5. Step 5: Solve for x
    x = 1,518,240,352,929.45/1,238,240.50
  6. Step 6: Final answer
    x = 1,226,127.20

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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.