Home / 916,451.46-1,264,600.37-508,570.49

Finding the Fourth Proportional to 916,451.46, 1,264,600.37 and 508,570.49

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Solution

The fourth proportional to 916,451.46, 1,264,600.37 and 508,570.49 is: 701,770.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,451.46 : 1,264,600.37 = 508,570.49 : x
  2. Step 2: Convert to fraction form
    916,451.46/1,264,600.37 = 508,570.49/x
  3. Step 3: Cross multiply
    916,451.46x = 1,264,600.37 × 508,570.49
  4. Step 4: Simplify right side
    916,451.46x = 643,138,434,258.01
  5. Step 5: Solve for x
    x = 643,138,434,258.01/916,451.46
  6. Step 6: Final answer
    x = 701,770.32

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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.