Home / 1,177,628.40-1,764,628.20-876,697.20

Finding the Fourth Proportional to 1,177,628.40, 1,764,628.20 and 876,697.20

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Solution

The fourth proportional to 1,177,628.40, 1,764,628.20 and 876,697.20 is: 1,313,695.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,628.40 : 1,764,628.20 = 876,697.20 : x
  2. Step 2: Convert to fraction form
    1,177,628.40/1,764,628.20 = 876,697.20/x
  3. Step 3: Cross multiply
    1,177,628.40x = 1,764,628.20 × 876,697.20
  4. Step 4: Simplify right side
    1,177,628.40x = 1,547,044,601,981.04
  5. Step 5: Solve for x
    x = 1,547,044,601,981.04/1,177,628.40
  6. Step 6: Final answer
    x = 1,313,695.05

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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.