Home / 649,918.23-896,870.37-359,522.22

Finding the Fourth Proportional to 649,918.23, 896,870.37 and 359,522.22

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Solution

The fourth proportional to 649,918.23, 896,870.37 and 359,522.22 is: 496,131.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,918.23 : 896,870.37 = 359,522.22 : x
  2. Step 2: Convert to fraction form
    649,918.23/896,870.37 = 359,522.22/x
  3. Step 3: Cross multiply
    649,918.23x = 896,870.37 × 359,522.22
  4. Step 4: Simplify right side
    649,918.23x = 322,444,826,474.62
  5. Step 5: Solve for x
    x = 322,444,826,474.62/649,918.23
  6. Step 6: Final answer
    x = 496,131.38

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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.