Home / 933,915.49-1,393,134.74-906,383.89

Finding the Fourth Proportional to 933,915.49, 1,393,134.74 and 906,383.89

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Solution

The fourth proportional to 933,915.49, 1,393,134.74 and 906,383.89 is: 1,352,065.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,915.49 : 1,393,134.74 = 906,383.89 : x
  2. Step 2: Convert to fraction form
    933,915.49/1,393,134.74 = 906,383.89/x
  3. Step 3: Cross multiply
    933,915.49x = 1,393,134.74 × 906,383.89
  4. Step 4: Simplify right side
    933,915.49x = 1,262,714,884,935.34
  5. Step 5: Solve for x
    x = 1,262,714,884,935.34/933,915.49
  6. Step 6: Final answer
    x = 1,352,065.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.