Home / 916,153.17-1,374,240.34-276,462.45

Finding the Fourth Proportional to 916,153.17, 1,374,240.34 and 276,462.45

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Solution

The fourth proportional to 916,153.17, 1,374,240.34 and 276,462.45 is: 414,696.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,153.17 : 1,374,240.34 = 276,462.45 : x
  2. Step 2: Convert to fraction form
    916,153.17/1,374,240.34 = 276,462.45/x
  3. Step 3: Cross multiply
    916,153.17x = 1,374,240.34 × 276,462.45
  4. Step 4: Simplify right side
    916,153.17x = 379,925,851,285.23
  5. Step 5: Solve for x
    x = 379,925,851,285.23/916,153.17
  6. Step 6: Final answer
    x = 414,696.87

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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.