Home / 754,167.76-1,040,602.24-423,034.32

Finding the Fourth Proportional to 754,167.76, 1,040,602.24 and 423,034.32

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Solution

The fourth proportional to 754,167.76, 1,040,602.24 and 423,034.32 is: 583,703.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,167.76 : 1,040,602.24 = 423,034.32 : x
  2. Step 2: Convert to fraction form
    754,167.76/1,040,602.24 = 423,034.32/x
  3. Step 3: Cross multiply
    754,167.76x = 1,040,602.24 × 423,034.32
  4. Step 4: Simplify right side
    754,167.76x = 440,210,460,988.88
  5. Step 5: Solve for x
    x = 440,210,460,988.88/754,167.76
  6. Step 6: Final answer
    x = 583,703.63

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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.