Home / 664,332.75-916,828.47-377,945.10

Finding the Fourth Proportional to 664,332.75, 916,828.47 and 377,945.10

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Solution

The fourth proportional to 664,332.75, 916,828.47 and 377,945.10 is: 521,592.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,332.75 : 916,828.47 = 377,945.10 : x
  2. Step 2: Convert to fraction form
    664,332.75/916,828.47 = 377,945.10/x
  3. Step 3: Cross multiply
    664,332.75x = 916,828.47 × 377,945.10
  4. Step 4: Simplify right side
    664,332.75x = 346,510,827,777.00
  5. Step 5: Solve for x
    x = 346,510,827,777.00/664,332.75
  6. Step 6: Final answer
    x = 521,592.27

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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.