Home / 1,124,202-1,686,324.90-413,864.40

Finding the Fourth Proportional to 1,124,202, 1,686,324.90 and 413,864.40

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Solution

The fourth proportional to 1,124,202, 1,686,324.90 and 413,864.40 is: 620,804.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,202 : 1,686,324.90 = 413,864.40 : x
  2. Step 2: Convert to fraction form
    1,124,202/1,686,324.90 = 413,864.40/x
  3. Step 3: Cross multiply
    1,124,202x = 1,686,324.90 × 413,864.40
  4. Step 4: Simplify right side
    1,124,202x = 697,909,842,943.56
  5. Step 5: Solve for x
    x = 697,909,842,943.56/1,124,202
  6. Step 6: Final answer
    x = 620,804.66

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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.