Home / 1,051,520.74-1,577,132.88-341,557.36

Finding the Fourth Proportional to 1,051,520.74, 1,577,132.88 and 341,557.36

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Solution

The fourth proportional to 1,051,520.74, 1,577,132.88 and 341,557.36 is: 512,287.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,520.74 : 1,577,132.88 = 341,557.36 : x
  2. Step 2: Convert to fraction form
    1,051,520.74/1,577,132.88 = 341,557.36/x
  3. Step 3: Cross multiply
    1,051,520.74x = 1,577,132.88 × 341,557.36
  4. Step 4: Simplify right side
    1,051,520.74x = 538,681,342,862.00
  5. Step 5: Solve for x
    x = 538,681,342,862.00/1,051,520.74
  6. Step 6: Final answer
    x = 512,287.89

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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.