Home / 784,119.12-1,176,037.68-207,746.40

Finding the Fourth Proportional to 784,119.12, 1,176,037.68 and 207,746.40

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Solution

The fourth proportional to 784,119.12, 1,176,037.68 and 207,746.40 is: 311,582.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,119.12 : 1,176,037.68 = 207,746.40 : x
  2. Step 2: Convert to fraction form
    784,119.12/1,176,037.68 = 207,746.40/x
  3. Step 3: Cross multiply
    784,119.12x = 1,176,037.68 × 207,746.40
  4. Step 4: Simplify right side
    784,119.12x = 244,317,594,284.35
  5. Step 5: Solve for x
    x = 244,317,594,284.35/784,119.12
  6. Step 6: Final answer
    x = 311,582.24

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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.