Home / 1,035,322.85-1,428,525.90-653,128.13

Finding the Fourth Proportional to 1,035,322.85, 1,428,525.90 and 653,128.13

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Solution

The fourth proportional to 1,035,322.85, 1,428,525.90 and 653,128.13 is: 901,178.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,322.85 : 1,428,525.90 = 653,128.13 : x
  2. Step 2: Convert to fraction form
    1,035,322.85/1,428,525.90 = 653,128.13/x
  3. Step 3: Cross multiply
    1,035,322.85x = 1,428,525.90 × 653,128.13
  4. Step 4: Simplify right side
    1,035,322.85x = 933,010,449,723.57
  5. Step 5: Solve for x
    x = 933,010,449,723.57/1,035,322.85
  6. Step 6: Final answer
    x = 901,178.27

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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.