Home / 755,643.30-1,133,724.15-335,220.90

Finding the Fourth Proportional to 755,643.30, 1,133,724.15 and 335,220.90

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Solution

The fourth proportional to 755,643.30, 1,133,724.15 and 335,220.90 is: 502,946.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,643.30 : 1,133,724.15 = 335,220.90 : x
  2. Step 2: Convert to fraction form
    755,643.30/1,133,724.15 = 335,220.90/x
  3. Step 3: Cross multiply
    755,643.30x = 1,133,724.15 × 335,220.90
  4. Step 4: Simplify right side
    755,643.30x = 380,048,029,914.74
  5. Step 5: Solve for x
    x = 380,048,029,914.74/755,643.30
  6. Step 6: Final answer
    x = 502,946.34

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Double scale
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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.