Home / 405,200.04-559,209.72-223,947.35

Finding the Fourth Proportional to 405,200.04, 559,209.72 and 223,947.35

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Solution

The fourth proportional to 405,200.04, 559,209.72 and 223,947.35 is: 309,065.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,200.04 : 559,209.72 = 223,947.35 : x
  2. Step 2: Convert to fraction form
    405,200.04/559,209.72 = 223,947.35/x
  3. Step 3: Cross multiply
    405,200.04x = 559,209.72 × 223,947.35
  4. Step 4: Simplify right side
    405,200.04x = 125,233,534,888.24
  5. Step 5: Solve for x
    x = 125,233,534,888.24/405,200.04
  6. Step 6: Final answer
    x = 309,065.95

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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.