Home / 1,077,928.33-1,487,165.47-690,957.14

Finding the Fourth Proportional to 1,077,928.33, 1,487,165.47 and 690,957.14

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Solution

The fourth proportional to 1,077,928.33, 1,487,165.47 and 690,957.14 is: 953,280.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,928.33 : 1,487,165.47 = 690,957.14 : x
  2. Step 2: Convert to fraction form
    1,077,928.33/1,487,165.47 = 690,957.14/x
  3. Step 3: Cross multiply
    1,077,928.33x = 1,487,165.47 × 690,957.14
  4. Step 4: Simplify right side
    1,077,928.33x = 1,027,567,599,857.96
  5. Step 5: Solve for x
    x = 1,027,567,599,857.96/1,077,928.33
  6. Step 6: Final answer
    x = 953,280.08

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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.