Home / 360,623.40-497,654.14-199,478.32

Finding the Fourth Proportional to 360,623.40, 497,654.14 and 199,478.32

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Solution

The fourth proportional to 360,623.40, 497,654.14 and 199,478.32 is: 275,276.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,623.40 : 497,654.14 = 199,478.32 : x
  2. Step 2: Convert to fraction form
    360,623.40/497,654.14 = 199,478.32/x
  3. Step 3: Cross multiply
    360,623.40x = 497,654.14 × 199,478.32
  4. Step 4: Simplify right side
    360,623.40x = 99,271,211,788.24
  5. Step 5: Solve for x
    x = 99,271,211,788.24/360,623.40
  6. Step 6: Final answer
    x = 275,276.68

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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.