Home / 661,539.33-912,924.27-375,059.40

Finding the Fourth Proportional to 661,539.33, 912,924.27 and 375,059.40

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Solution

The fourth proportional to 661,539.33, 912,924.27 and 375,059.40 is: 517,581.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,539.33 : 912,924.27 = 375,059.40 : x
  2. Step 2: Convert to fraction form
    661,539.33/912,924.27 = 375,059.40/x
  3. Step 3: Cross multiply
    661,539.33x = 912,924.27 × 375,059.40
  4. Step 4: Simplify right side
    661,539.33x = 342,400,828,951.64
  5. Step 5: Solve for x
    x = 342,400,828,951.64/661,539.33
  6. Step 6: Final answer
    x = 517,581.97

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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.