Home / 1,528,398.51-2,109,199.56-955,773.87

Finding the Fourth Proportional to 1,528,398.51, 2,109,199.56 and 955,773.87

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Solution

The fourth proportional to 1,528,398.51, 2,109,199.56 and 955,773.87 is: 1,318,973.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,398.51 : 2,109,199.56 = 955,773.87 : x
  2. Step 2: Convert to fraction form
    1,528,398.51/2,109,199.56 = 955,773.87/x
  3. Step 3: Cross multiply
    1,528,398.51x = 2,109,199.56 × 955,773.87
  4. Step 4: Simplify right side
    1,528,398.51x = 2,015,917,826,063.50
  5. Step 5: Solve for x
    x = 2,015,917,826,063.50/1,528,398.51
  6. Step 6: Final answer
    x = 1,318,973.95

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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.