Home / 935,496.72-1,290,915.36-553,448.88

Finding the Fourth Proportional to 935,496.72, 1,290,915.36 and 553,448.88

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Solution

The fourth proportional to 935,496.72, 1,290,915.36 and 553,448.88 is: 763,717.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,496.72 : 1,290,915.36 = 553,448.88 : x
  2. Step 2: Convert to fraction form
    935,496.72/1,290,915.36 = 553,448.88/x
  3. Step 3: Cross multiply
    935,496.72x = 1,290,915.36 × 553,448.88
  4. Step 4: Simplify right side
    935,496.72x = 714,455,660,166.80
  5. Step 5: Solve for x
    x = 714,455,660,166.80/935,496.72
  6. Step 6: Final answer
    x = 763,717.97

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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.