Home / 807,928.83-1,113,431.40-603,619.29

Finding the Fourth Proportional to 807,928.83, 1,113,431.40 and 603,619.29

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Solution

The fourth proportional to 807,928.83, 1,113,431.40 and 603,619.29 is: 831,866.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,928.83 : 1,113,431.40 = 603,619.29 : x
  2. Step 2: Convert to fraction form
    807,928.83/1,113,431.40 = 603,619.29/x
  3. Step 3: Cross multiply
    807,928.83x = 1,113,431.40 × 603,619.29
  4. Step 4: Simplify right side
    807,928.83x = 672,088,671,131.71
  5. Step 5: Solve for x
    x = 672,088,671,131.71/807,928.83
  6. Step 6: Final answer
    x = 831,866.18

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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.