Home / 1,016,390.23-1,402,873.43-690,255.07

Finding the Fourth Proportional to 1,016,390.23, 1,402,873.43 and 690,255.07

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Solution

The fourth proportional to 1,016,390.23, 1,402,873.43 and 690,255.07 is: 952,725.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,390.23 : 1,402,873.43 = 690,255.07 : x
  2. Step 2: Convert to fraction form
    1,016,390.23/1,402,873.43 = 690,255.07/x
  3. Step 3: Cross multiply
    1,016,390.23x = 1,402,873.43 × 690,255.07
  4. Step 4: Simplify right side
    1,016,390.23x = 968,340,490,667.33
  5. Step 5: Solve for x
    x = 968,340,490,667.33/1,016,390.23
  6. Step 6: Final answer
    x = 952,725.11

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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.