Home / 664,385.94-916,839.81-362,582.10

Finding the Fourth Proportional to 664,385.94, 916,839.81 and 362,582.10

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Solution

The fourth proportional to 664,385.94, 916,839.81 and 362,582.10 is: 500,356.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,385.94 : 916,839.81 = 362,582.10 : x
  2. Step 2: Convert to fraction form
    664,385.94/916,839.81 = 362,582.10/x
  3. Step 3: Cross multiply
    664,385.94x = 916,839.81 × 362,582.10
  4. Step 4: Simplify right side
    664,385.94x = 332,429,703,673.40
  5. Step 5: Solve for x
    x = 332,429,703,673.40/664,385.94
  6. Step 6: Final answer
    x = 500,356.32

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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.