Home / 749,077.12-1,033,296.67-426,726.98

Finding the Fourth Proportional to 749,077.12, 1,033,296.67 and 426,726.98

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Solution

The fourth proportional to 749,077.12, 1,033,296.67 and 426,726.98 is: 588,638.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,077.12 : 1,033,296.67 = 426,726.98 : x
  2. Step 2: Convert to fraction form
    749,077.12/1,033,296.67 = 426,726.98/x
  3. Step 3: Cross multiply
    749,077.12x = 1,033,296.67 × 426,726.98
  4. Step 4: Simplify right side
    749,077.12x = 440,935,573,687.41
  5. Step 5: Solve for x
    x = 440,935,573,687.41/749,077.12
  6. Step 6: Final answer
    x = 588,638.43

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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.