Home / 1,686,295.50-2,529,419.88-406,892.30

Finding the Fourth Proportional to 1,686,295.50, 2,529,419.88 and 406,892.30

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Solution

The fourth proportional to 1,686,295.50, 2,529,419.88 and 406,892.30 is: 610,332.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,295.50 : 2,529,419.88 = 406,892.30 : x
  2. Step 2: Convert to fraction form
    1,686,295.50/2,529,419.88 = 406,892.30/x
  3. Step 3: Cross multiply
    1,686,295.50x = 2,529,419.88 × 406,892.30
  4. Step 4: Simplify right side
    1,686,295.50x = 1,029,201,472,638.92
  5. Step 5: Solve for x
    x = 1,029,201,472,638.92/1,686,295.50
  6. Step 6: Final answer
    x = 610,332.81

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Double scale
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1.5x scale

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.