Home / 1,155,321.23-1,732,960.31-345,706.13

Finding the Fourth Proportional to 1,155,321.23, 1,732,960.31 and 345,706.13

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Solution

The fourth proportional to 1,155,321.23, 1,732,960.31 and 345,706.13 is: 518,552.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,321.23 : 1,732,960.31 = 345,706.13 : x
  2. Step 2: Convert to fraction form
    1,155,321.23/1,732,960.31 = 345,706.13/x
  3. Step 3: Cross multiply
    1,155,321.23x = 1,732,960.31 × 345,706.13
  4. Step 4: Simplify right side
    1,155,321.23x = 599,095,007,410.37
  5. Step 5: Solve for x
    x = 599,095,007,410.37/1,155,321.23
  6. Step 6: Final answer
    x = 518,552.76

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1.5x scale

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.