Home / 451,423.51-676,938.40-170,743.93

Finding the Fourth Proportional to 451,423.51, 676,938.40 and 170,743.93

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Solution

The fourth proportional to 451,423.51, 676,938.40 and 170,743.93 is: 256,041.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,423.51 : 676,938.40 = 170,743.93 : x
  2. Step 2: Convert to fraction form
    451,423.51/676,938.40 = 170,743.93/x
  3. Step 3: Cross multiply
    451,423.51x = 676,938.40 × 170,743.93
  4. Step 4: Simplify right side
    451,423.51x = 115,583,122,783.91
  5. Step 5: Solve for x
    x = 115,583,122,783.91/451,423.51
  6. Step 6: Final answer
    x = 256,041.43

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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.