Home / 876,091.15-1,209,553.09-671,749.32

Finding the Fourth Proportional to 876,091.15, 1,209,553.09 and 671,749.32

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Solution

The fourth proportional to 876,091.15, 1,209,553.09 and 671,749.32 is: 927,433.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,091.15 : 1,209,553.09 = 671,749.32 : x
  2. Step 2: Convert to fraction form
    876,091.15/1,209,553.09 = 671,749.32/x
  3. Step 3: Cross multiply
    876,091.15x = 1,209,553.09 × 671,749.32
  4. Step 4: Simplify right side
    876,091.15x = 812,516,465,711.40
  5. Step 5: Solve for x
    x = 812,516,465,711.40/876,091.15
  6. Step 6: Final answer
    x = 927,433.71

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1.5x scale

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.