Home / 406,686.08-561,092.28-245,479.88

Finding the Fourth Proportional to 406,686.08, 561,092.28 and 245,479.88

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Solution

The fourth proportional to 406,686.08, 561,092.28 and 245,479.88 is: 338,681.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,686.08 : 561,092.28 = 245,479.88 : x
  2. Step 2: Convert to fraction form
    406,686.08/561,092.28 = 245,479.88/x
  3. Step 3: Cross multiply
    406,686.08x = 561,092.28 × 245,479.88
  4. Step 4: Simplify right side
    406,686.08x = 137,736,865,563.33
  5. Step 5: Solve for x
    x = 137,736,865,563.33/406,686.08
  6. Step 6: Final answer
    x = 338,681.04

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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.