Home / 1,230,553.58-1,697,960.91-686,688.07

Finding the Fourth Proportional to 1,230,553.58, 1,697,960.91 and 686,688.07

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Solution

The fourth proportional to 1,230,553.58, 1,697,960.91 and 686,688.07 is: 947,516.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,553.58 : 1,697,960.91 = 686,688.07 : x
  2. Step 2: Convert to fraction form
    1,230,553.58/1,697,960.91 = 686,688.07/x
  3. Step 3: Cross multiply
    1,230,553.58x = 1,697,960.91 × 686,688.07
  4. Step 4: Simplify right side
    1,230,553.58x = 1,165,969,500,223.34
  5. Step 5: Solve for x
    x = 1,165,969,500,223.34/1,230,553.58
  6. Step 6: Final answer
    x = 947,516.24

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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.