Home / 925,710.48-1,277,420.32-517,741.68

Finding the Fourth Proportional to 925,710.48, 1,277,420.32 and 517,741.68

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Solution

The fourth proportional to 925,710.48, 1,277,420.32 and 517,741.68 is: 714,449.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,710.48 : 1,277,420.32 = 517,741.68 : x
  2. Step 2: Convert to fraction form
    925,710.48/1,277,420.32 = 517,741.68/x
  3. Step 3: Cross multiply
    925,710.48x = 1,277,420.32 × 517,741.68
  4. Step 4: Simplify right side
    925,710.48x = 661,373,742,542.94
  5. Step 5: Solve for x
    x = 661,373,742,542.94/925,710.48
  6. Step 6: Final answer
    x = 714,449.88

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Double scale
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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.