Home / 406,766.67-561,148.15-255,946.83

Finding the Fourth Proportional to 406,766.67, 561,148.15 and 255,946.83

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Solution

The fourth proportional to 406,766.67, 561,148.15 and 255,946.83 is: 353,087.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,766.67 : 561,148.15 = 255,946.83 : x
  2. Step 2: Convert to fraction form
    406,766.67/561,148.15 = 255,946.83/x
  3. Step 3: Cross multiply
    406,766.67x = 561,148.15 × 255,946.83
  4. Step 4: Simplify right side
    406,766.67x = 143,624,090,152.87
  5. Step 5: Solve for x
    x = 143,624,090,152.87/406,766.67
  6. Step 6: Final answer
    x = 353,087.16

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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.