Home / 714,152.90-1,071,695.91-340,205.06

Finding the Fourth Proportional to 714,152.90, 1,071,695.91 and 340,205.06

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Solution

The fourth proportional to 714,152.90, 1,071,695.91 and 340,205.06 is: 510,529.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,152.90 : 1,071,695.91 = 340,205.06 : x
  2. Step 2: Convert to fraction form
    714,152.90/1,071,695.91 = 340,205.06/x
  3. Step 3: Cross multiply
    714,152.90x = 1,071,695.91 × 340,205.06
  4. Step 4: Simplify right side
    714,152.90x = 364,596,375,318.31
  5. Step 5: Solve for x
    x = 364,596,375,318.31/714,152.90
  6. Step 6: Final answer
    x = 510,529.85

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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.