Home / 486,861.04-671,065.32-325,658.08

Finding the Fourth Proportional to 486,861.04, 671,065.32 and 325,658.08

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Solution

The fourth proportional to 486,861.04, 671,065.32 and 325,658.08 is: 448,871.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,861.04 : 671,065.32 = 325,658.08 : x
  2. Step 2: Convert to fraction form
    486,861.04/671,065.32 = 325,658.08/x
  3. Step 3: Cross multiply
    486,861.04x = 671,065.32 × 325,658.08
  4. Step 4: Simplify right side
    486,861.04x = 218,537,843,665.79
  5. Step 5: Solve for x
    x = 218,537,843,665.79/486,861.04
  6. Step 6: Final answer
    x = 448,871.09

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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.