Home / 406,355.04-561,047.04-253,452.96

Finding the Fourth Proportional to 406,355.04, 561,047.04 and 253,452.96

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Solution

The fourth proportional to 406,355.04, 561,047.04 and 253,452.96 is: 349,937.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,355.04 : 561,047.04 = 253,452.96 : x
  2. Step 2: Convert to fraction form
    406,355.04/561,047.04 = 253,452.96/x
  3. Step 3: Cross multiply
    406,355.04x = 561,047.04 × 253,452.96
  4. Step 4: Simplify right side
    406,355.04x = 142,199,032,987.24
  5. Step 5: Solve for x
    x = 142,199,032,987.24/406,355.04
  6. Step 6: Final answer
    x = 349,937.91

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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.