Home / 719,256.99-992,569.77-396,967.10

Finding the Fourth Proportional to 719,256.99, 992,569.77 and 396,967.10

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Solution

The fourth proportional to 719,256.99, 992,569.77 and 396,967.10 is: 547,811.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,256.99 : 992,569.77 = 396,967.10 : x
  2. Step 2: Convert to fraction form
    719,256.99/992,569.77 = 396,967.10/x
  3. Step 3: Cross multiply
    719,256.99x = 992,569.77 × 396,967.10
  4. Step 4: Simplify right side
    719,256.99x = 394,017,538,181.72
  5. Step 5: Solve for x
    x = 394,017,538,181.72/719,256.99
  6. Step 6: Final answer
    x = 547,811.90

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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.