Home / 1,013,506.69-1,398,544.00-686,153.79

Finding the Fourth Proportional to 1,013,506.69, 1,398,544.00 and 686,153.79

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Solution

The fourth proportional to 1,013,506.69, 1,398,544.00 and 686,153.79 is: 946,827.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,506.69 : 1,398,544.00 = 686,153.79 : x
  2. Step 2: Convert to fraction form
    1,013,506.69/1,398,544.00 = 686,153.79/x
  3. Step 3: Cross multiply
    1,013,506.69x = 1,398,544.00 × 686,153.79
  4. Step 4: Simplify right side
    1,013,506.69x = 959,616,262,650.99
  5. Step 5: Solve for x
    x = 959,616,262,650.99/1,013,506.69
  6. Step 6: Final answer
    x = 946,827.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.