Home / 1,014,419.19-1,399,881.38-561,700.47

Finding the Fourth Proportional to 1,014,419.19, 1,399,881.38 and 561,700.47

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Solution

The fourth proportional to 1,014,419.19, 1,399,881.38 and 561,700.47 is: 775,137.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,419.19 : 1,399,881.38 = 561,700.47 : x
  2. Step 2: Convert to fraction form
    1,014,419.19/1,399,881.38 = 561,700.47/x
  3. Step 3: Cross multiply
    1,014,419.19x = 1,399,881.38 × 561,700.47
  4. Step 4: Simplify right side
    1,014,419.19x = 786,314,026,281.75
  5. Step 5: Solve for x
    x = 786,314,026,281.75/1,014,419.19
  6. Step 6: Final answer
    x = 775,137.18

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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.