Home / 714,886.62-986,296.86-456,914.58

Finding the Fourth Proportional to 714,886.62, 986,296.86 and 456,914.58

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Solution

The fourth proportional to 714,886.62, 986,296.86 and 456,914.58 is: 630,384.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,886.62 : 986,296.86 = 456,914.58 : x
  2. Step 2: Convert to fraction form
    714,886.62/986,296.86 = 456,914.58/x
  3. Step 3: Cross multiply
    714,886.62x = 986,296.86 × 456,914.58
  4. Step 4: Simplify right side
    714,886.62x = 450,653,415,542.22
  5. Step 5: Solve for x
    x = 450,653,415,542.22/714,886.62
  6. Step 6: Final answer
    x = 630,384.46

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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.