Home / 683,857.86-943,854.18-450,875.70

Finding the Fourth Proportional to 683,857.86, 943,854.18 and 450,875.70

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Solution

The fourth proportional to 683,857.86, 943,854.18 and 450,875.70 is: 622,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,857.86 : 943,854.18 = 450,875.70 : x
  2. Step 2: Convert to fraction form
    683,857.86/943,854.18 = 450,875.70/x
  3. Step 3: Cross multiply
    683,857.86x = 943,854.18 × 450,875.70
  4. Step 4: Simplify right side
    683,857.86x = 425,560,914,105.43
  5. Step 5: Solve for x
    x = 425,560,914,105.43/683,857.86
  6. Step 6: Final answer
    x = 622,294.40

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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.