Home / 860,428.14-1,187,419.59-473,259.87

Finding the Fourth Proportional to 860,428.14, 1,187,419.59 and 473,259.87

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Solution

The fourth proportional to 860,428.14, 1,187,419.59 and 473,259.87 is: 653,114.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,428.14 : 1,187,419.59 = 473,259.87 : x
  2. Step 2: Convert to fraction form
    860,428.14/1,187,419.59 = 473,259.87/x
  3. Step 3: Cross multiply
    860,428.14x = 1,187,419.59 × 473,259.87
  4. Step 4: Simplify right side
    860,428.14x = 561,958,040,798.85
  5. Step 5: Solve for x
    x = 561,958,040,798.85/860,428.14
  6. Step 6: Final answer
    x = 653,114.44

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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.