Home / 1,316,092.64-1,816,208.46-712,480.64

Finding the Fourth Proportional to 1,316,092.64, 1,816,208.46 and 712,480.64

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Solution

The fourth proportional to 1,316,092.64, 1,816,208.46 and 712,480.64 is: 983,223.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,092.64 : 1,816,208.46 = 712,480.64 : x
  2. Step 2: Convert to fraction form
    1,316,092.64/1,816,208.46 = 712,480.64/x
  3. Step 3: Cross multiply
    1,316,092.64x = 1,816,208.46 × 712,480.64
  4. Step 4: Simplify right side
    1,316,092.64x = 1,294,013,365,954.21
  5. Step 5: Solve for x
    x = 1,294,013,365,954.21/1,316,092.64
  6. Step 6: Final answer
    x = 983,223.62

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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.