Home / 965,070.79-1,331,860.80-557,189.82

Finding the Fourth Proportional to 965,070.79, 1,331,860.80 and 557,189.82

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Solution

The fourth proportional to 965,070.79, 1,331,860.80 and 557,189.82 is: 768,958.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,070.79 : 1,331,860.80 = 557,189.82 : x
  2. Step 2: Convert to fraction form
    965,070.79/1,331,860.80 = 557,189.82/x
  3. Step 3: Cross multiply
    965,070.79x = 1,331,860.80 × 557,189.82
  4. Step 4: Simplify right side
    965,070.79x = 742,099,279,417.06
  5. Step 5: Solve for x
    x = 742,099,279,417.06/965,070.79
  6. Step 6: Final answer
    x = 768,958.39

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1.5x scale

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.