Home / 970,108.64-1,338,764.16-562,240.64

Finding the Fourth Proportional to 970,108.64, 1,338,764.16 and 562,240.64

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Solution

The fourth proportional to 970,108.64, 1,338,764.16 and 562,240.64 is: 775,900.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,108.64 : 1,338,764.16 = 562,240.64 : x
  2. Step 2: Convert to fraction form
    970,108.64/1,338,764.16 = 562,240.64/x
  3. Step 3: Cross multiply
    970,108.64x = 1,338,764.16 × 562,240.64
  4. Step 4: Simplify right side
    970,108.64x = 752,707,618,127.46
  5. Step 5: Solve for x
    x = 752,707,618,127.46/970,108.64
  6. Step 6: Final answer
    x = 775,900.33

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Double scale
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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.