Home / 1,626,335.20-2,439,891.60-784,194.40

Finding the Fourth Proportional to 1,626,335.20, 2,439,891.60 and 784,194.40

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Solution

The fourth proportional to 1,626,335.20, 2,439,891.60 and 784,194.40 is: 1,176,479.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,626,335.20 : 2,439,891.60 = 784,194.40 : x
  2. Step 2: Convert to fraction form
    1,626,335.20/2,439,891.60 = 784,194.40/x
  3. Step 3: Cross multiply
    1,626,335.20x = 2,439,891.60 × 784,194.40
  4. Step 4: Simplify right side
    1,626,335.20x = 1,913,349,329,327.04
  5. Step 5: Solve for x
    x = 1,913,349,329,327.04/1,626,335.20
  6. Step 6: Final answer
    x = 1,176,479.07

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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.