Home / 738,864.55-1,106,297.91-383,130.76

Finding the Fourth Proportional to 738,864.55, 1,106,297.91 and 383,130.76

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Solution

The fourth proportional to 738,864.55, 1,106,297.91 and 383,130.76 is: 573,659.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,864.55 : 1,106,297.91 = 383,130.76 : x
  2. Step 2: Convert to fraction form
    738,864.55/1,106,297.91 = 383,130.76/x
  3. Step 3: Cross multiply
    738,864.55x = 1,106,297.91 × 383,130.76
  4. Step 4: Simplify right side
    738,864.55x = 423,856,759,044.71
  5. Step 5: Solve for x
    x = 423,856,759,044.71/738,864.55
  6. Step 6: Final answer
    x = 573,659.62

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1.5x scale

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.