Home / 661,946.10-992,433.15-262,389.30

Finding the Fourth Proportional to 661,946.10, 992,433.15 and 262,389.30

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Solution

The fourth proportional to 661,946.10, 992,433.15 and 262,389.30 is: 393,391.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,946.10 : 992,433.15 = 262,389.30 : x
  2. Step 2: Convert to fraction form
    661,946.10/992,433.15 = 262,389.30/x
  3. Step 3: Cross multiply
    661,946.10x = 992,433.15 × 262,389.30
  4. Step 4: Simplify right side
    661,946.10x = 260,403,839,525.30
  5. Step 5: Solve for x
    x = 260,403,839,525.30/661,946.10
  6. Step 6: Final answer
    x = 393,391.30

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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.