Home / 1,685,549.45-2,528,698.70-786,500.79

Finding the Fourth Proportional to 1,685,549.45, 2,528,698.70 and 786,500.79

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Solution

The fourth proportional to 1,685,549.45, 2,528,698.70 and 786,500.79 is: 1,179,925.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,549.45 : 2,528,698.70 = 786,500.79 : x
  2. Step 2: Convert to fraction form
    1,685,549.45/2,528,698.70 = 786,500.79/x
  3. Step 3: Cross multiply
    1,685,549.45x = 2,528,698.70 × 786,500.79
  4. Step 4: Simplify right side
    1,685,549.45x = 1,988,823,517,705.61
  5. Step 5: Solve for x
    x = 1,988,823,517,705.61/1,685,549.45
  6. Step 6: Final answer
    x = 1,179,925.94

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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.