Home / 895,645.22-1,237,564.24-715,840.98

Finding the Fourth Proportional to 895,645.22, 1,237,564.24 and 715,840.98

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Solution

The fourth proportional to 895,645.22, 1,237,564.24 and 715,840.98 is: 989,118.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,645.22 : 1,237,564.24 = 715,840.98 : x
  2. Step 2: Convert to fraction form
    895,645.22/1,237,564.24 = 715,840.98/x
  3. Step 3: Cross multiply
    895,645.22x = 1,237,564.24 × 715,840.98
  4. Step 4: Simplify right side
    895,645.22x = 885,899,198,374.56
  5. Step 5: Solve for x
    x = 885,899,198,374.56/895,645.22
  6. Step 6: Final answer
    x = 989,118.44

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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.