Home / 440,837.40-661,256.10-283,373.40

Finding the Fourth Proportional to 440,837.40, 661,256.10 and 283,373.40

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Solution

The fourth proportional to 440,837.40, 661,256.10 and 283,373.40 is: 425,060.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,837.40 : 661,256.10 = 283,373.40 : x
  2. Step 2: Convert to fraction form
    440,837.40/661,256.10 = 283,373.40/x
  3. Step 3: Cross multiply
    440,837.40x = 661,256.10 × 283,373.40
  4. Step 4: Simplify right side
    440,837.40x = 187,382,389,327.74
  5. Step 5: Solve for x
    x = 187,382,389,327.74/440,837.40
  6. Step 6: Final answer
    x = 425,060.10

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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.