Home / 857,693.16-1,183,617.32-475,719.93

Finding the Fourth Proportional to 857,693.16, 1,183,617.32 and 475,719.93

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Solution

The fourth proportional to 857,693.16, 1,183,617.32 and 475,719.93 is: 656,493.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,693.16 : 1,183,617.32 = 475,719.93 : x
  2. Step 2: Convert to fraction form
    857,693.16/1,183,617.32 = 475,719.93/x
  3. Step 3: Cross multiply
    857,693.16x = 1,183,617.32 × 475,719.93
  4. Step 4: Simplify right side
    857,693.16x = 563,070,346,238.59
  5. Step 5: Solve for x
    x = 563,070,346,238.59/857,693.16
  6. Step 6: Final answer
    x = 656,493.92

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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.