Home / 516,039.15-774,058.73-383,178.90

Finding the Fourth Proportional to 516,039.15, 774,058.73 and 383,178.90

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Solution

The fourth proportional to 516,039.15, 774,058.73 and 383,178.90 is: 574,768.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,039.15 : 774,058.73 = 383,178.90 : x
  2. Step 2: Convert to fraction form
    516,039.15/774,058.73 = 383,178.90/x
  3. Step 3: Cross multiply
    516,039.15x = 774,058.73 × 383,178.90
  4. Step 4: Simplify right side
    516,039.15x = 296,602,970,780.90
  5. Step 5: Solve for x
    x = 296,602,970,780.90/516,039.15
  6. Step 6: Final answer
    x = 574,768.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.