Home / 899,117.88-1,349,095.38-393,612.27

Finding the Fourth Proportional to 899,117.88, 1,349,095.38 and 393,612.27

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Solution

The fourth proportional to 899,117.88, 1,349,095.38 and 393,612.27 is: 590,601.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,117.88 : 1,349,095.38 = 393,612.27 : x
  2. Step 2: Convert to fraction form
    899,117.88/1,349,095.38 = 393,612.27/x
  3. Step 3: Cross multiply
    899,117.88x = 1,349,095.38 × 393,612.27
  4. Step 4: Simplify right side
    899,117.88x = 531,020,494,968.31
  5. Step 5: Solve for x
    x = 531,020,494,968.31/899,117.88
  6. Step 6: Final answer
    x = 590,601.64

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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.