Home / 1,626,334.20-2,439,890.10-784,193.40

Finding the Fourth Proportional to 1,626,334.20, 2,439,890.10 and 784,193.40

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Solution

The fourth proportional to 1,626,334.20, 2,439,890.10 and 784,193.40 is: 1,176,477.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626,334.20 : 2,439,890.10 = 784,193.40 : x
  2. Step 2: Convert to fraction form
    1,626,334.20/2,439,890.10 = 784,193.40/x
  3. Step 3: Cross multiply
    1,626,334.20x = 2,439,890.10 × 784,193.40
  4. Step 4: Simplify right side
    1,626,334.20x = 1,913,345,713,145.34
  5. Step 5: Solve for x
    x = 1,913,345,713,145.34/1,626,334.20
  6. Step 6: Final answer
    x = 1,176,477.57

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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.