Home / 1,115,957.07-1,673,684.10-317,220.93

Finding the Fourth Proportional to 1,115,957.07, 1,673,684.10 and 317,220.93

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Solution

The fourth proportional to 1,115,957.07, 1,673,684.10 and 317,220.93 is: 475,759.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,957.07 : 1,673,684.10 = 317,220.93 : x
  2. Step 2: Convert to fraction form
    1,115,957.07/1,673,684.10 = 317,220.93/x
  3. Step 3: Cross multiply
    1,115,957.07x = 1,673,684.10 × 317,220.93
  4. Step 4: Simplify right side
    1,115,957.07x = 530,927,626,728.21
  5. Step 5: Solve for x
    x = 530,927,626,728.21/1,115,957.07
  6. Step 6: Final answer
    x = 475,759.90

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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.