Home / 1,115,957.40-1,539,922.69-619,253.74

Finding the Fourth Proportional to 1,115,957.40, 1,539,922.69 and 619,253.74

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Solution

The fourth proportional to 1,115,957.40, 1,539,922.69 and 619,253.74 is: 854,515.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,957.40 : 1,539,922.69 = 619,253.74 : x
  2. Step 2: Convert to fraction form
    1,115,957.40/1,539,922.69 = 619,253.74/x
  3. Step 3: Cross multiply
    1,115,957.40x = 1,539,922.69 × 619,253.74
  4. Step 4: Simplify right side
    1,115,957.40x = 953,602,885,093.36
  5. Step 5: Solve for x
    x = 953,602,885,093.36/1,115,957.40
  6. Step 6: Final answer
    x = 854,515.49

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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.