Home / 926,334.65-1,389,307.16-261,331.13

Finding the Fourth Proportional to 926,334.65, 1,389,307.16 and 261,331.13

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Solution

The fourth proportional to 926,334.65, 1,389,307.16 and 261,331.13 is: 391,941.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,334.65 : 1,389,307.16 = 261,331.13 : x
  2. Step 2: Convert to fraction form
    926,334.65/1,389,307.16 = 261,331.13/x
  3. Step 3: Cross multiply
    926,334.65x = 1,389,307.16 × 261,331.13
  4. Step 4: Simplify right side
    926,334.65x = 363,069,201,786.70
  5. Step 5: Solve for x
    x = 363,069,201,786.70/926,334.65
  6. Step 6: Final answer
    x = 391,941.73

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Double scale
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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.