Home / 557,929.28-769,944.16-303,281.28

Finding the Fourth Proportional to 557,929.28, 769,944.16 and 303,281.28

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Solution

The fourth proportional to 557,929.28, 769,944.16 and 303,281.28 is: 418,529.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,929.28 : 769,944.16 = 303,281.28 : x
  2. Step 2: Convert to fraction form
    557,929.28/769,944.16 = 303,281.28/x
  3. Step 3: Cross multiply
    557,929.28x = 769,944.16 × 303,281.28
  4. Step 4: Simplify right side
    557,929.28x = 233,509,650,373.33
  5. Step 5: Solve for x
    x = 233,509,650,373.33/557,929.28
  6. Step 6: Final answer
    x = 418,529.12

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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.