Home / 1,014,438.06-1,399,966.74-561,729.06

Finding the Fourth Proportional to 1,014,438.06, 1,399,966.74 and 561,729.06

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Solution

The fourth proportional to 1,014,438.06, 1,399,966.74 and 561,729.06 is: 775,209.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,438.06 : 1,399,966.74 = 561,729.06 : x
  2. Step 2: Convert to fraction form
    1,014,438.06/1,399,966.74 = 561,729.06/x
  3. Step 3: Cross multiply
    1,014,438.06x = 1,399,966.74 × 561,729.06
  4. Step 4: Simplify right side
    1,014,438.06x = 786,402,000,891.47
  5. Step 5: Solve for x
    x = 786,402,000,891.47/1,014,438.06
  6. Step 6: Final answer
    x = 775,209.48

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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.