Home / 687,152.39-1,030,230.23-461,954.16

Finding the Fourth Proportional to 687,152.39, 1,030,230.23 and 461,954.16

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Solution

The fourth proportional to 687,152.39, 1,030,230.23 and 461,954.16 is: 692,596.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,152.39 : 1,030,230.23 = 461,954.16 : x
  2. Step 2: Convert to fraction form
    687,152.39/1,030,230.23 = 461,954.16/x
  3. Step 3: Cross multiply
    687,152.39x = 1,030,230.23 × 461,954.16
  4. Step 4: Simplify right side
    687,152.39x = 475,919,138,196.49
  5. Step 5: Solve for x
    x = 475,919,138,196.49/687,152.39
  6. Step 6: Final answer
    x = 692,596.21

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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.