Home / 659,936.28-910,712.04-358,130.28

Finding the Fourth Proportional to 659,936.28, 910,712.04 and 358,130.28

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Solution

The fourth proportional to 659,936.28, 910,712.04 and 358,130.28 is: 494,219.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,936.28 : 910,712.04 = 358,130.28 : x
  2. Step 2: Convert to fraction form
    659,936.28/910,712.04 = 358,130.28/x
  3. Step 3: Cross multiply
    659,936.28x = 910,712.04 × 358,130.28
  4. Step 4: Simplify right side
    659,936.28x = 326,153,557,884.57
  5. Step 5: Solve for x
    x = 326,153,557,884.57/659,936.28
  6. Step 6: Final answer
    x = 494,219.77

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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.