Home / 935,607.88-1,403,200.17-429,682.51

Finding the Fourth Proportional to 935,607.88, 1,403,200.17 and 429,682.51

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Solution

The fourth proportional to 935,607.88, 1,403,200.17 and 429,682.51 is: 644,426.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,607.88 : 1,403,200.17 = 429,682.51 : x
  2. Step 2: Convert to fraction form
    935,607.88/1,403,200.17 = 429,682.51/x
  3. Step 3: Cross multiply
    935,607.88x = 1,403,200.17 × 429,682.51
  4. Step 4: Simplify right side
    935,607.88x = 602,930,561,913.61
  5. Step 5: Solve for x
    x = 602,930,561,913.61/935,607.88
  6. Step 6: Final answer
    x = 644,426.56

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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.