Home / 1,719,155.19-2,372,434.65-955,208.76

Finding the Fourth Proportional to 1,719,155.19, 2,372,434.65 and 955,208.76

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Solution

The fourth proportional to 1,719,155.19, 2,372,434.65 and 955,208.76 is: 1,318,188.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,155.19 : 2,372,434.65 = 955,208.76 : x
  2. Step 2: Convert to fraction form
    1,719,155.19/2,372,434.65 = 955,208.76/x
  3. Step 3: Cross multiply
    1,719,155.19x = 2,372,434.65 × 955,208.76
  4. Step 4: Simplify right side
    1,719,155.19x = 2,266,170,360,207.53
  5. Step 5: Solve for x
    x = 2,266,170,360,207.53/1,719,155.19
  6. Step 6: Final answer
    x = 1,318,188.36

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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.