Home / 986,247.60-1,361,060.28-578,292.72

Finding the Fourth Proportional to 986,247.60, 1,361,060.28 and 578,292.72

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Solution

The fourth proportional to 986,247.60, 1,361,060.28 and 578,292.72 is: 798,066.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,247.60 : 1,361,060.28 = 578,292.72 : x
  2. Step 2: Convert to fraction form
    986,247.60/1,361,060.28 = 578,292.72/x
  3. Step 3: Cross multiply
    986,247.60x = 1,361,060.28 × 578,292.72
  4. Step 4: Simplify right side
    986,247.60x = 787,091,251,405.16
  5. Step 5: Solve for x
    x = 787,091,251,405.16/986,247.60
  6. Step 6: Final answer
    x = 798,066.58

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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.