Home / 686,127.36-946,545.24-414,108.30

Finding the Fourth Proportional to 686,127.36, 946,545.24 and 414,108.30

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Solution

The fourth proportional to 686,127.36, 946,545.24 and 414,108.30 is: 571,282.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,127.36 : 946,545.24 = 414,108.30 : x
  2. Step 2: Convert to fraction form
    686,127.36/946,545.24 = 414,108.30/x
  3. Step 3: Cross multiply
    686,127.36x = 946,545.24 × 414,108.30
  4. Step 4: Simplify right side
    686,127.36x = 391,972,240,209.49
  5. Step 5: Solve for x
    x = 391,972,240,209.49/686,127.36
  6. Step 6: Final answer
    x = 571,282.04

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1.5x scale

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.