Home / 716,740.90-1,075,111.35-218,247.46

Finding the Fourth Proportional to 716,740.90, 1,075,111.35 and 218,247.46

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Solution

The fourth proportional to 716,740.90, 1,075,111.35 and 218,247.46 is: 327,371.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,740.90 : 1,075,111.35 = 218,247.46 : x
  2. Step 2: Convert to fraction form
    716,740.90/1,075,111.35 = 218,247.46/x
  3. Step 3: Cross multiply
    716,740.90x = 1,075,111.35 × 218,247.46
  4. Step 4: Simplify right side
    716,740.90x = 234,640,321,354.67
  5. Step 5: Solve for x
    x = 234,640,321,354.67/716,740.90
  6. Step 6: Final answer
    x = 327,371.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.