Home / 857,901.66-1,183,957.47-495,391.02

Finding the Fourth Proportional to 857,901.66, 1,183,957.47 and 495,391.02

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Solution

The fourth proportional to 857,901.66, 1,183,957.47 and 495,391.02 is: 683,670.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,901.66 : 1,183,957.47 = 495,391.02 : x
  2. Step 2: Convert to fraction form
    857,901.66/1,183,957.47 = 495,391.02/x
  3. Step 3: Cross multiply
    857,901.66x = 1,183,957.47 × 495,391.02
  4. Step 4: Simplify right side
    857,901.66x = 586,521,898,699.92
  5. Step 5: Solve for x
    x = 586,521,898,699.92/857,901.66
  6. Step 6: Final answer
    x = 683,670.32

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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.