Home / 705,976.36-974,253.82-383,687.28

Finding the Fourth Proportional to 705,976.36, 974,253.82 and 383,687.28

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Solution

The fourth proportional to 705,976.36, 974,253.82 and 383,687.28 is: 529,491.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,976.36 : 974,253.82 = 383,687.28 : x
  2. Step 2: Convert to fraction form
    705,976.36/974,253.82 = 383,687.28/x
  3. Step 3: Cross multiply
    705,976.36x = 974,253.82 × 383,687.28
  4. Step 4: Simplify right side
    705,976.36x = 373,808,798,225.41
  5. Step 5: Solve for x
    x = 373,808,798,225.41/705,976.36
  6. Step 6: Final answer
    x = 529,491.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.