Home / 715,410.33-986,279.74-570,707.24

Finding the Fourth Proportional to 715,410.33, 986,279.74 and 570,707.24

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Solution

The fourth proportional to 715,410.33, 986,279.74 and 570,707.24 is: 786,789.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,410.33 : 986,279.74 = 570,707.24 : x
  2. Step 2: Convert to fraction form
    715,410.33/986,279.74 = 570,707.24/x
  3. Step 3: Cross multiply
    715,410.33x = 986,279.74 × 570,707.24
  4. Step 4: Simplify right side
    715,410.33x = 562,876,988,283.32
  5. Step 5: Solve for x
    x = 562,876,988,283.32/715,410.33
  6. Step 6: Final answer
    x = 786,789.01

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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.