Home / 886,938.93-1,223,975.34-479,040.62

Finding the Fourth Proportional to 886,938.93, 1,223,975.34 and 479,040.62

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Solution

The fourth proportional to 886,938.93, 1,223,975.34 and 479,040.62 is: 661,075.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,938.93 : 1,223,975.34 = 479,040.62 : x
  2. Step 2: Convert to fraction form
    886,938.93/1,223,975.34 = 479,040.62/x
  3. Step 3: Cross multiply
    886,938.93x = 1,223,975.34 × 479,040.62
  4. Step 4: Simplify right side
    886,938.93x = 586,333,899,618.43
  5. Step 5: Solve for x
    x = 586,333,899,618.43/886,938.93
  6. Step 6: Final answer
    x = 661,075.84

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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.