Home / 648,600.56-895,000.88-376,615.44

Finding the Fourth Proportional to 648,600.56, 895,000.88 and 376,615.44

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Solution

The fourth proportional to 648,600.56, 895,000.88 and 376,615.44 is: 519,689.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,600.56 : 895,000.88 = 376,615.44 : x
  2. Step 2: Convert to fraction form
    648,600.56/895,000.88 = 376,615.44/x
  3. Step 3: Cross multiply
    648,600.56x = 895,000.88 × 376,615.44
  4. Step 4: Simplify right side
    648,600.56x = 337,071,143,863.51
  5. Step 5: Solve for x
    x = 337,071,143,863.51/648,600.56
  6. Step 6: Final answer
    x = 519,689.87

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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.