Home / 745,784.26-1,029,177.03-406,252.51

Finding the Fourth Proportional to 745,784.26, 1,029,177.03 and 406,252.51

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Solution

The fourth proportional to 745,784.26, 1,029,177.03 and 406,252.51 is: 560,625.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,784.26 : 1,029,177.03 = 406,252.51 : x
  2. Step 2: Convert to fraction form
    745,784.26/1,029,177.03 = 406,252.51/x
  3. Step 3: Cross multiply
    745,784.26x = 1,029,177.03 × 406,252.51
  4. Step 4: Simplify right side
    745,784.26x = 418,105,751,671.85
  5. Step 5: Solve for x
    x = 418,105,751,671.85/745,784.26
  6. Step 6: Final answer
    x = 560,625.60

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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.