Home / 1,096,569.81-1,643,595.15-686,423.34

Finding the Fourth Proportional to 1,096,569.81, 1,643,595.15 and 686,423.34

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Solution

The fourth proportional to 1,096,569.81, 1,643,595.15 and 686,423.34 is: 1,028,846.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,569.81 : 1,643,595.15 = 686,423.34 : x
  2. Step 2: Convert to fraction form
    1,096,569.81/1,643,595.15 = 686,423.34/x
  3. Step 3: Cross multiply
    1,096,569.81x = 1,643,595.15 × 686,423.34
  4. Step 4: Simplify right side
    1,096,569.81x = 1,128,202,072,470.80
  5. Step 5: Solve for x
    x = 1,128,202,072,470.80/1,096,569.81
  6. Step 6: Final answer
    x = 1,028,846.56

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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.