Home / 849,854.46-1,172,776.40-467,884.12

Finding the Fourth Proportional to 849,854.46, 1,172,776.40 and 467,884.12

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Solution

The fourth proportional to 849,854.46, 1,172,776.40 and 467,884.12 is: 645,667.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,854.46 : 1,172,776.40 = 467,884.12 : x
  2. Step 2: Convert to fraction form
    849,854.46/1,172,776.40 = 467,884.12/x
  3. Step 3: Cross multiply
    849,854.46x = 1,172,776.40 × 467,884.12
  4. Step 4: Simplify right side
    849,854.46x = 548,723,453,870.77
  5. Step 5: Solve for x
    x = 548,723,453,870.77/849,854.46
  6. Step 6: Final answer
    x = 645,667.56

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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.