Home / 708,261.84-1,062,724.32-353,303.28

Finding the Fourth Proportional to 708,261.84, 1,062,724.32 and 353,303.28

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Solution

The fourth proportional to 708,261.84, 1,062,724.32 and 353,303.28 is: 530,120.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,261.84 : 1,062,724.32 = 353,303.28 : x
  2. Step 2: Convert to fraction form
    708,261.84/1,062,724.32 = 353,303.28/x
  3. Step 3: Cross multiply
    708,261.84x = 1,062,724.32 × 353,303.28
  4. Step 4: Simplify right side
    708,261.84x = 375,463,987,991.77
  5. Step 5: Solve for x
    x = 375,463,987,991.77/708,261.84
  6. Step 6: Final answer
    x = 530,120.31

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.