Home / 745,260.76-1,117,909.52-271,945.97

Finding the Fourth Proportional to 745,260.76, 1,117,909.52 and 271,945.97

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Solution

The fourth proportional to 745,260.76, 1,117,909.52 and 271,945.97 is: 407,925.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,260.76 : 1,117,909.52 = 271,945.97 : x
  2. Step 2: Convert to fraction form
    745,260.76/1,117,909.52 = 271,945.97/x
  3. Step 3: Cross multiply
    745,260.76x = 1,117,909.52 × 271,945.97
  4. Step 4: Simplify right side
    745,260.76x = 304,010,987,051.32
  5. Step 5: Solve for x
    x = 304,010,987,051.32/745,260.76
  6. Step 6: Final answer
    x = 407,925.66

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1.5x scale

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.