Home / 664,332.07-916,829.01-377,835.07

Finding the Fourth Proportional to 664,332.07, 916,829.01 and 377,835.07

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Solution

The fourth proportional to 664,332.07, 916,829.01 and 377,835.07 is: 521,441.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,332.07 : 916,829.01 = 377,835.07 : x
  2. Step 2: Convert to fraction form
    664,332.07/916,829.01 = 377,835.07/x
  3. Step 3: Cross multiply
    664,332.07x = 916,829.01 × 377,835.07
  4. Step 4: Simplify right side
    664,332.07x = 346,410,153,171.38
  5. Step 5: Solve for x
    x = 346,410,153,171.38/664,332.07
  6. Step 6: Final answer
    x = 521,441.26

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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.