Home / 866,501.52-1,299,781.93-297,877.76

Finding the Fourth Proportional to 866,501.52, 1,299,781.93 and 297,877.76

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Solution

The fourth proportional to 866,501.52, 1,299,781.93 and 297,877.76 is: 446,826.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,501.52 : 1,299,781.93 = 297,877.76 : x
  2. Step 2: Convert to fraction form
    866,501.52/1,299,781.93 = 297,877.76/x
  3. Step 3: Cross multiply
    866,501.52x = 1,299,781.93 × 297,877.76
  4. Step 4: Simplify right side
    866,501.52x = 387,176,129,796.88
  5. Step 5: Solve for x
    x = 387,176,129,796.88/866,501.52
  6. Step 6: Final answer
    x = 446,826.83

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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.