Home / 717,792.54-990,623.49-536,189.19

Finding the Fourth Proportional to 717,792.54, 990,623.49 and 536,189.19

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Solution

The fourth proportional to 717,792.54, 990,623.49 and 536,189.19 is: 739,993.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,792.54 : 990,623.49 = 536,189.19 : x
  2. Step 2: Convert to fraction form
    717,792.54/990,623.49 = 536,189.19/x
  3. Step 3: Cross multiply
    717,792.54x = 990,623.49 × 536,189.19
  4. Step 4: Simplify right side
    717,792.54x = 531,161,606,698.07
  5. Step 5: Solve for x
    x = 531,161,606,698.07/717,792.54
  6. Step 6: Final answer
    x = 739,993.21

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Double scale
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1.5x scale

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.