Home / 401,392.14-602,011.47-201,657.18

Finding the Fourth Proportional to 401,392.14, 602,011.47 and 201,657.18

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Solution

The fourth proportional to 401,392.14, 602,011.47 and 201,657.18 is: 302,447.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,392.14 : 602,011.47 = 201,657.18 : x
  2. Step 2: Convert to fraction form
    401,392.14/602,011.47 = 201,657.18/x
  3. Step 3: Cross multiply
    401,392.14x = 602,011.47 × 201,657.18
  4. Step 4: Simplify right side
    401,392.14x = 121,399,935,367.86
  5. Step 5: Solve for x
    x = 121,399,935,367.86/401,392.14
  6. Step 6: Final answer
    x = 302,447.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.