Home / 1,156,308.47-1,595,686.35-640,051.28

Finding the Fourth Proportional to 1,156,308.47, 1,595,686.35 and 640,051.28

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Solution

The fourth proportional to 1,156,308.47, 1,595,686.35 and 640,051.28 is: 883,260.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,308.47 : 1,595,686.35 = 640,051.28 : x
  2. Step 2: Convert to fraction form
    1,156,308.47/1,595,686.35 = 640,051.28/x
  3. Step 3: Cross multiply
    1,156,308.47x = 1,595,686.35 × 640,051.28
  4. Step 4: Simplify right side
    1,156,308.47x = 1,021,321,100,177.35
  5. Step 5: Solve for x
    x = 1,021,321,100,177.35/1,156,308.47
  6. Step 6: Final answer
    x = 883,260.07

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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.