Home / 819,941.62-1,131,521.16-457,356.16

Finding the Fourth Proportional to 819,941.62, 1,131,521.16 and 457,356.16

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Solution

The fourth proportional to 819,941.62, 1,131,521.16 and 457,356.16 is: 631,152.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,941.62 : 1,131,521.16 = 457,356.16 : x
  2. Step 2: Convert to fraction form
    819,941.62/1,131,521.16 = 457,356.16/x
  3. Step 3: Cross multiply
    819,941.62x = 1,131,521.16 × 457,356.16
  4. Step 4: Simplify right side
    819,941.62x = 517,508,172,696.35
  5. Step 5: Solve for x
    x = 517,508,172,696.35/819,941.62
  6. Step 6: Final answer
    x = 631,152.46

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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.