Home / 418,435.01-577,503.44-255,186.23

Finding the Fourth Proportional to 418,435.01, 577,503.44 and 255,186.23

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Solution

The fourth proportional to 418,435.01, 577,503.44 and 255,186.23 is: 352,195.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,435.01 : 577,503.44 = 255,186.23 : x
  2. Step 2: Convert to fraction form
    418,435.01/577,503.44 = 255,186.23/x
  3. Step 3: Cross multiply
    418,435.01x = 577,503.44 × 255,186.23
  4. Step 4: Simplify right side
    418,435.01x = 147,370,927,747.36
  5. Step 5: Solve for x
    x = 147,370,927,747.36/418,435.01
  6. Step 6: Final answer
    x = 352,195.50

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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.