Home / 916,190.04-1,374,262.56-355,224.72

Finding the Fourth Proportional to 916,190.04, 1,374,262.56 and 355,224.72

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Solution

The fourth proportional to 916,190.04, 1,374,262.56 and 355,224.72 is: 532,828.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,190.04 : 1,374,262.56 = 355,224.72 : x
  2. Step 2: Convert to fraction form
    916,190.04/1,374,262.56 = 355,224.72/x
  3. Step 3: Cross multiply
    916,190.04x = 1,374,262.56 × 355,224.72
  4. Step 4: Simplify right side
    916,190.04x = 488,172,033,082.48
  5. Step 5: Solve for x
    x = 488,172,033,082.48/916,190.04
  6. Step 6: Final answer
    x = 532,828.36

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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.