Home / 766,504.92-1,057,809.48-426,973.32

Finding the Fourth Proportional to 766,504.92, 1,057,809.48 and 426,973.32

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Solution

The fourth proportional to 766,504.92, 1,057,809.48 and 426,973.32 is: 589,241.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,504.92 : 1,057,809.48 = 426,973.32 : x
  2. Step 2: Convert to fraction form
    766,504.92/1,057,809.48 = 426,973.32/x
  3. Step 3: Cross multiply
    766,504.92x = 1,057,809.48 × 426,973.32
  4. Step 4: Simplify right side
    766,504.92x = 451,656,425,603.07
  5. Step 5: Solve for x
    x = 451,656,425,603.07/766,504.92
  6. Step 6: Final answer
    x = 589,241.39

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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.