Home / 679,551.60-1,018,690.74-229,957.72

Finding the Fourth Proportional to 679,551.60, 1,018,690.74 and 229,957.72

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Solution

The fourth proportional to 679,551.60, 1,018,690.74 and 229,957.72 is: 344,721.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,551.60 : 1,018,690.74 = 229,957.72 : x
  2. Step 2: Convert to fraction form
    679,551.60/1,018,690.74 = 229,957.72/x
  3. Step 3: Cross multiply
    679,551.60x = 1,018,690.74 × 229,957.72
  4. Step 4: Simplify right side
    679,551.60x = 234,255,799,955.51
  5. Step 5: Solve for x
    x = 234,255,799,955.51/679,551.60
  6. Step 6: Final answer
    x = 344,721.14

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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.