Home / 935,891.16-1,291,529.78-506,171.32

Finding the Fourth Proportional to 935,891.16, 1,291,529.78 and 506,171.32

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Solution

The fourth proportional to 935,891.16, 1,291,529.78 and 506,171.32 is: 698,516.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,891.16 : 1,291,529.78 = 506,171.32 : x
  2. Step 2: Convert to fraction form
    935,891.16/1,291,529.78 = 506,171.32/x
  3. Step 3: Cross multiply
    935,891.16x = 1,291,529.78 × 506,171.32
  4. Step 4: Simplify right side
    935,891.16x = 653,735,333,561.91
  5. Step 5: Solve for x
    x = 653,735,333,561.91/935,891.16
  6. Step 6: Final answer
    x = 698,516.41

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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.