Home / 710,766.39-1,066,647.72-410,834.22

Finding the Fourth Proportional to 710,766.39, 1,066,647.72 and 410,834.22

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Solution

The fourth proportional to 710,766.39, 1,066,647.72 and 410,834.22 is: 616,539.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,766.39 : 1,066,647.72 = 410,834.22 : x
  2. Step 2: Convert to fraction form
    710,766.39/1,066,647.72 = 410,834.22/x
  3. Step 3: Cross multiply
    710,766.39x = 1,066,647.72 × 410,834.22
  4. Step 4: Simplify right side
    710,766.39x = 438,215,384,060.98
  5. Step 5: Solve for x
    x = 438,215,384,060.98/710,766.39
  6. Step 6: Final answer
    x = 616,539.26

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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.