Home / 409,619.49-565,276.08-237,570.63

Finding the Fourth Proportional to 409,619.49, 565,276.08 and 237,570.63

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Solution

The fourth proportional to 409,619.49, 565,276.08 and 237,570.63 is: 327,848.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,619.49 : 565,276.08 = 237,570.63 : x
  2. Step 2: Convert to fraction form
    409,619.49/565,276.08 = 237,570.63/x
  3. Step 3: Cross multiply
    409,619.49x = 565,276.08 × 237,570.63
  4. Step 4: Simplify right side
    409,619.49x = 134,292,994,449.53
  5. Step 5: Solve for x
    x = 134,292,994,449.53/409,619.49
  6. Step 6: Final answer
    x = 327,848.16

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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.