Home / 374,401.98-516,903.66-243,704.16

Finding the Fourth Proportional to 374,401.98, 516,903.66 and 243,704.16

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Solution

The fourth proportional to 374,401.98, 516,903.66 and 243,704.16 is: 336,460.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,401.98 : 516,903.66 = 243,704.16 : x
  2. Step 2: Convert to fraction form
    374,401.98/516,903.66 = 243,704.16/x
  3. Step 3: Cross multiply
    374,401.98x = 516,903.66 × 243,704.16
  4. Step 4: Simplify right side
    374,401.98x = 125,971,572,261.23
  5. Step 5: Solve for x
    x = 125,971,572,261.23/374,401.98
  6. Step 6: Final answer
    x = 336,460.75

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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.