Home / 873,852.70-1,205,892.22-486,667.96

Finding the Fourth Proportional to 873,852.70, 1,205,892.22 and 486,667.96

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Solution

The fourth proportional to 873,852.70, 1,205,892.22 and 486,667.96 is: 671,588.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,852.70 : 1,205,892.22 = 486,667.96 : x
  2. Step 2: Convert to fraction form
    873,852.70/1,205,892.22 = 486,667.96/x
  3. Step 3: Cross multiply
    873,852.70x = 1,205,892.22 × 486,667.96
  4. Step 4: Simplify right side
    873,852.70x = 586,869,106,687.27
  5. Step 5: Solve for x
    x = 586,869,106,687.27/873,852.70
  6. Step 6: Final answer
    x = 671,588.14

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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.