Home / 835,393.62-1,152,812.31-453,412.20

Finding the Fourth Proportional to 835,393.62, 1,152,812.31 and 453,412.20

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Solution

The fourth proportional to 835,393.62, 1,152,812.31 and 453,412.20 is: 625,692.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,393.62 : 1,152,812.31 = 453,412.20 : x
  2. Step 2: Convert to fraction form
    835,393.62/1,152,812.31 = 453,412.20/x
  3. Step 3: Cross multiply
    835,393.62x = 1,152,812.31 × 453,412.20
  4. Step 4: Simplify right side
    835,393.62x = 522,699,165,664.18
  5. Step 5: Solve for x
    x = 522,699,165,664.18/835,393.62
  6. Step 6: Final answer
    x = 625,692.07

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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.