Home / 679,035.15-1,017,555.75-341,612.01

Finding the Fourth Proportional to 679,035.15, 1,017,555.75 and 341,612.01

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Solution

The fourth proportional to 679,035.15, 1,017,555.75 and 341,612.01 is: 511,916.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,035.15 : 1,017,555.75 = 341,612.01 : x
  2. Step 2: Convert to fraction form
    679,035.15/1,017,555.75 = 341,612.01/x
  3. Step 3: Cross multiply
    679,035.15x = 1,017,555.75 × 341,612.01
  4. Step 4: Simplify right side
    679,035.15x = 347,609,265,044.56
  5. Step 5: Solve for x
    x = 347,609,265,044.56/679,035.15
  6. Step 6: Final answer
    x = 511,916.45

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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.