Home / 715,410.26-986,279.66-570,707.18

Finding the Fourth Proportional to 715,410.26, 986,279.66 and 570,707.18

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Solution

The fourth proportional to 715,410.26, 986,279.66 and 570,707.18 is: 786,788.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,410.26 : 986,279.66 = 570,707.18 : x
  2. Step 2: Convert to fraction form
    715,410.26/986,279.66 = 570,707.18/x
  3. Step 3: Cross multiply
    715,410.26x = 986,279.66 × 570,707.18
  4. Step 4: Simplify right side
    715,410.26x = 562,876,883,449.96
  5. Step 5: Solve for x
    x = 562,876,883,449.96/715,410.26
  6. Step 6: Final answer
    x = 786,788.94

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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.