Home / 784,569.64-1,176,737.82-285,817

Finding the Fourth Proportional to 784,569.64, 1,176,737.82 and 285,817

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Solution

The fourth proportional to 784,569.64, 1,176,737.82 and 285,817 is: 428,683.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,569.64 : 1,176,737.82 = 285,817 : x
  2. Step 2: Convert to fraction form
    784,569.64/1,176,737.82 = 285,817/x
  3. Step 3: Cross multiply
    784,569.64x = 1,176,737.82 × 285,817
  4. Step 4: Simplify right side
    784,569.64x = 336,331,673,498.94
  5. Step 5: Solve for x
    x = 336,331,673,498.94/784,569.64
  6. Step 6: Final answer
    x = 428,683.01

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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.