Home / 1,663,160.51-2,295,157.19-928,107.07

Finding the Fourth Proportional to 1,663,160.51, 2,295,157.19 and 928,107.07

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Solution

The fourth proportional to 1,663,160.51, 2,295,157.19 and 928,107.07 is: 1,280,785.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,160.51 : 2,295,157.19 = 928,107.07 : x
  2. Step 2: Convert to fraction form
    1,663,160.51/2,295,157.19 = 928,107.07/x
  3. Step 3: Cross multiply
    1,663,160.51x = 2,295,157.19 × 928,107.07
  4. Step 4: Simplify right side
    1,663,160.51x = 2,130,151,604,421.91
  5. Step 5: Solve for x
    x = 2,130,151,604,421.91/1,663,160.51
  6. Step 6: Final answer
    x = 1,280,785.34

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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.