Home / 1,689,798.16-2,331,921-925,880.72

Finding the Fourth Proportional to 1,689,798.16, 2,331,921 and 925,880.72

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Solution

The fourth proportional to 1,689,798.16, 2,331,921 and 925,880.72 is: 1,277,715.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,798.16 : 2,331,921 = 925,880.72 : x
  2. Step 2: Convert to fraction form
    1,689,798.16/2,331,921 = 925,880.72/x
  3. Step 3: Cross multiply
    1,689,798.16x = 2,331,921 × 925,880.72
  4. Step 4: Simplify right side
    1,689,798.16x = 2,159,080,694,463.12
  5. Step 5: Solve for x
    x = 2,159,080,694,463.12/1,689,798.16
  6. Step 6: Final answer
    x = 1,277,715.14

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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.