Home / 406,656.02-561,050.88-245,449.82

Finding the Fourth Proportional to 406,656.02, 561,050.88 and 245,449.82

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Solution

The fourth proportional to 406,656.02, 561,050.88 and 245,449.82 is: 338,639.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,656.02 : 561,050.88 = 245,449.82 : x
  2. Step 2: Convert to fraction form
    406,656.02/561,050.88 = 245,449.82/x
  3. Step 3: Cross multiply
    406,656.02x = 561,050.88 × 245,449.82
  4. Step 4: Simplify right side
    406,656.02x = 137,709,837,506.84
  5. Step 5: Solve for x
    x = 137,709,837,506.84/406,656.02
  6. Step 6: Final answer
    x = 338,639.61

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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.