Home / 860,417.76-1,187,405.28-473,249.51

Finding the Fourth Proportional to 860,417.76, 1,187,405.28 and 473,249.51

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Solution

The fourth proportional to 860,417.76, 1,187,405.28 and 473,249.51 is: 653,100.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,417.76 : 1,187,405.28 = 473,249.51 : x
  2. Step 2: Convert to fraction form
    860,417.76/1,187,405.28 = 473,249.51/x
  3. Step 3: Cross multiply
    860,417.76x = 1,187,405.28 × 473,249.51
  4. Step 4: Simplify right side
    860,417.76x = 561,938,958,628.14
  5. Step 5: Solve for x
    x = 561,938,958,628.14/860,417.76
  6. Step 6: Final answer
    x = 653,100.14

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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.